Name: 2021 Marucci Cat 9 31/23
Brand: Marucci
Price: 75 USD
Availability: SoldOut

Marucci

Used

2021 Marucci Cat 9 31/23
Great condition with a fairly new grip. No cracks, rattles, ect. Free shipping!

Condition

Bat Certification

Brand

Age Group

Barrel

Length

Drop

Bat Material

Release Year

Weight

## Marucci CAT 9 Bat


  

The Marucci CAT 9 baseball bat is part of Marucci's highly respected CAT series, known for its balance, performance, and durability. Introduced as an upgrade from the previous models, the CAT 9 incorporates new technologies and materials to provide a superior hitting experience.

  

Since its inception in 2009, Marucci has risen to prominence in the baseball industry by prioritizing direct input from professional players. This player-driven design philosophy has guided the development of some of the market's most trusted and high-performing baseball equipment. Marucci's dedication to quality and performance, coupled with its commitment to a detailed, handcrafted process, has established the brand as a favorite among players at all levels of the game.  
  

Perfect bat for: Youth players who are looking to elevate their game with superior balance, power, and performance.

  

### Key features include:

-   AZR Alloy Construction: Offers a more responsive microstructure for better feel, increased forgiveness, and enhanced performance at elevated swing speeds.
    
-   Precision-Balanced Barrel: Engineered for optimal balance, providing players with control and consistency in their swings.
    
-   Multi-Variable Wall Design: Creates an expanded sweet spot and thinner barrel walls, which help in forgiving off-center hits.
    
-   Ring-Free Barrel Technology: Eliminates dead spots in the barrel, ensuring maximum performance and solid contact throughout the bat.
    
-   Anti-Vibration Knob: Features an AV2 knob that reduces vibration, providing a better feel and minimizing hand sting on mis-hits.
    
-   Micro-Perforated Soft-Touch Grip: Ensures superior comfort and an enhanced feel, allowing for better control and reduced hand fatigue.
    
-   One-Piece Alloy Construction: Delivers a clean, consistent, traditional swing feel with built-in durability for long-lasting performance.
    

### Top competitors comparison: [Easton ADV 360](https://sidelineswap.com/shop/baseball/bats/easton/adv-360/l59709) and the [Louisville Slugger Solo](https://sidelineswap.com/shop/baseball/bats/louisville-slugger/solo/l7816)  
  
The rivals include the Easton ADV 360 and the Louisville Slugger Solo. The Marucci Cat 9 stands out due to its innovative AZR alloy construction, offering a unique combination of feel, performance, and durability that is tailored specifically for the developing player. While the Easton ADV 360 is prized for its 360-degree barrel tuning for precision across the entire barrel and the Louisville Slugger Solo is known for its ultra-balanced swing weight for ultimate swing speed, the Cat 9's multi-variable wall design and precision balancing mean it excels in providing young hitters with a powerful, yet manageable tool to enhance their game.

### Progression of the Marucci CAT 9 Baseball Bat:

  

Here is a list that details the progression of this series, highlighting the main features and advancements with each new model.

  

**2017 - [CAT7](https://sidelineswap.com/shop/baseball/bats/marucci/cat-7/l7247) & CAT7 CONNECT**

-   CAT7 and CAT7 Connect are introduced, featuring the upgraded AZ4X alloy for improved performance.
    
-   CAT7 has a one-piece alloy construction, while CAT7 Connect offers a two-piece hybrid design with a carbon composite handle.
    
-   Both models feature an increased sweet spot and an upgraded anti-vibration knob (AV2).  
      
    

**2019 - [CAT8](https://sidelineswap.com/shop/baseball/bats/marucci/cat8-2/l7709), CAT8 CONNECT, CAT COMPOSITE**

-   CAT8, CAT8 Connect, and CAT Composite are launched.
    
-   The barrels of CAT8 and CAT8 Connect are constructed using the new AZ105 alloy for higher performance at the sweet spot.
    
-   Introduction of SDX EXT connection technology for a stiffer connection and improved energy transfer.
    
-   CAT Composite, a two-piece composite bat, is introduced with SDX EXT and ring-free barrel construction.  
      
    

**2021 - [CAT9](https://sidelineswap.com/shop/baseball/bats/marucci/cat9-2/l163499) and CAT9 Connect**

-   CAT9 and CAT9 Connect are released with the new AZR alloy for a more responsive microstructure.
    
-   CAT9 features a 2nd Generation AV2 Anti-vibration knob and additional weight below the hands for better control.
    
-   CAT9 Connect introduces the Outer-Locking System (OLS) for an even stiffer connection and virtually zero vibrations.
    

  

### What people are saying (edited for clarity and brevity)

  

**PROS**

-   Great for kids who need to "feel the barrel" during their swing. The ball jumps off this bat well. It has never collapsed and provides enough feedback to know how you hit it. Vibration is only felt when hitting the handle.
    
-   "My 12-year-old son upgraded to a Marucci Cat 9 -5 bat from a 30" -8 bat and is hitting great with it. Although the bat is heavier, it is well-balanced and solid. Highly recommended for kids upgrading to a -5."
    
-   Bought the Cat 9 BBCOR bat for my 13-year-old son. It's well-balanced and has good pop for a one-piece. Vibration-resistant knob helps with miss hits. My son loves it and is hitting the ball well.
    

**CONS**

-   Good bat for my 10-year-old, but didn't hold up well in New England cold spring. Dead after one AAU season despite hard hits and dingers. Would have given 5 stars if it lasted longer.
    
-   My son used this bat for 1 season and it has multiple dents in it. He is 12 and weighs about 70 pounds. Thought I would get more than 1 season out of the bat.
    
-   Bought a bat for my 6-year-old son a year ago. It's good but lacks the power and balance of CATX Aluminum. Looking for sales to buy CATX.
    

  

### Certification: BBCOR

### Expert Notes ([Tony from BatExperts](https://sidelineswap.com/batexperts))

They took the same design from the CAT8 and strengthened the CAT9 with a stronger alloy to avoid any denting issues. It's a very good, durable bat. The CAT9 will be a bit heavier than the CAT8; it's a better bat for stronger kids. The first generation of the CAT9 came out with a gray, black, and red paint job. The second generation they called the Past Time, which was red, white, and blue. It's the same bat, but a different paint job. The second bat was more popular simply because of how it looked. Everyone likes the American Flag with its Stars and Stripes.  
  

Pop: ⭐⭐⭐⭐

Durability: ⭐⭐⭐⭐

Vibration: ⭐⭐⭐⭐

  
**Balanced** or End loaded?

CAT9

2021 Marucci Cat 9 31/23

Elite Seller

Marucci Cat 9 31/23

Marucci Cat 9 -8 31/23

Used USSSA Certified 2021 Marucci Composite CAT 9 Bat (-8) 23 oz 31"

2021 Alloy (-8) 23 oz 31" Cat 9 Bat

2021 31 Marucci Cat 9 -8 bat in baseball

## Louisville Slugger Meta Baseball Bat


The Louisville Slugger Meta series is at the forefront of technological innovation in baseball bats, offering players a high-performance combination of power and balance. Featuring Louisville Slugger’s patented 3FX Connection System and EKO™ Composite Barrel technology, the Meta delivers an explosive energy transfer. This bat also delivers a stiff feel with minimal vibration—and a massive sweet spot.

**Perfect bat for**: Young players unlocking their power in the batter's box, who want a lightweight design with a maximized barrel size.

 



### Key features include: 




* **EKO™ Composite Barrel:** Engineered for a light swinging weight and maximum barrel performance, producing a unique combination of speed and power.
* **3FX Connection System:** Provides a stiff feel on contact while significantly reducing vibration to the hands, ensuring maximum comfort and control.
* **Premium LS Pro Comfort Grip™:** Added to handle for added tack and cusion.
* **GT1™ End Cap:** Maximizes barrel length and swing speed, ensuring that players can make the most of their natural power.
* **Revolutionary Three-Piece Design:** Combines advanced materials and innovative technologies to offer a bat with unmatched feel, performance, and durability. 



### Top competitors comparison: [DeMarini CF Zen](https://sidelineswap.com/shop/baseball/bats/demarini/cf-zen-2020/l8432) and [Easton ADV 360](https://sidelineswap.com/shop/baseball/bats/easton/adv-360/l59709)

The Louisville Slugger Meta distinguishes itself from competitors like the DeMarini CF Zen and Easton ADV 360 by offering a superior balance of lightweight performance and powerful precision. While the CF Zen is known for its Paraflex Plus Composite construction for flexibility and balance, and the ADV 360 features two-piece ConneXion+ technology for energy transfer, the Meta’s EKO™ Composite Barrel and 3FX Connection System create a perfect harmony of speed, power, and control not found in other models, setting it apart as the ultimate choice for serious athletes. 



### Progression of the Louisville Slugger Meta Series

Here is a list that details the progression of this series, highlighting the main features and advancements with each new model.

**2019 - [Meta Prime](https://sidelineswap.com/shop/baseball/bats/louisville-slugger/meta-prime/l9512)** 
- Introduced 3FX™ Connection System, designed to reduce vibration and provide a perfect feel upon contact. 
- EKO™ Composite Barrel, offering a light-swinging bat with a massive sweet spot. 
 - RTX End Cap design maximizes barrel shape and improves the sound on contact. 
 
**2020 - [Meta](https://sidelineswap.com/shop/baseball/bats/louisville-slugger/meta/l59403)** 
- Continued with the popular 3FX™ Connection System and EKO™ Composite Barrel. 
- Introduction of the Premium GT1™ end cap that maximizes barrel length and swing speed. 
- The 2020 model became known for its "EJUICE" technology, which created a highly responsive and massive sweet spot. 
- The bat was noted for exceptional balance and a significant reduction in hand sting. 
 
**2021 - [Meta](https://sidelineswap.com/shop/baseball/bats/louisville-slugger/meta/l59403)** 
- Upgraded with the new VCX2™ Vibration Control Connection System, enhancing the feel and reducing vibration more effectively. 
- Retained EKO™ Composite Barrel for a light-swinging bat with a massive sweet spot. - Premium GT1™ end cap as introduced in 2020 continues, optimizing barrel length and swing speed. 
 
**2022 - [Meta](https://sidelineswap.com/shop/baseball/bats/louisville-slugger/meta/l59403)** 
- New F2X Performance end cap design, enhancing barrel flexibility, and maximizing the sweet spot. 
- Continued improvements on the VCX2™ Vibration Control Connection System for enhanced feel. 
- EKO™ Composite Barrel technology persists, ensuring a lightweight feel with a large sweet spot. 
- Marketed also for its balanced swing weight, catering to contact and power hitters alike. 
 
**2023 - [Meta](https://sidelineswap.com/shop/baseball/bats/louisville-slugger/meta/l59403)** 
- The latest Meta integrates all previous technologies while focusing on even greater balance and a faster swing speed without sacrificing power. 
- Materials and design updates aim to increase the sweet spot further and enhance the bat's feel during contact. 
- Continued refinement of the VCX2™ Vibration Control Connection System for optimal stiffness and flexibility, reducing hand sting. 


### What people are saying (edited for clarity and brevity)

**PROS**



* This bat has a fantastic feel, sound, and performance on miss-hits. It boasts one of the largest sweet spots in BBCOR. Although it lacks feedback, it is very easy to swing.
* Great feel and pop. Although I usually change grips, the stock grip on this bat is solid. The durability is very impressive as well, as the bat has already outlasted most others.
* No failures on Meta bats except cosmetic chips. They perform better than new. High school varsity team used 32-3 for 2 years without issues. Change grip tape yearly and keep hitting!

**CONS**



* The finish will chip if hit against spikes.
* It's expensive.... and not crazy about the color.
* This bat has no pop.


### **Certification**: BBCOR, USSSA


### Expert Notes (Parker)

The Louisville Slugger Meta is still a slightly newer model. The meta is similar to the DeMarini CF which offers a lightweight composite handle with a huge barrel made for every sort of hitter. A popular series that offers great jump-off-the-barrel when you hit the sweet spot and keeps the sting off your hands when the ball is missed on the cap or handle. 


Pop: ⭐⭐⭐⭐

Durability: ⭐⭐⭐⭐

Vibration: ⭐⭐⭐⭐⭐

 
**Mid-balanced** or End loaded?

Mako

## DeMarini The Goods Baseball Bat


The Goods series has become a popular addition to DeMarini’s lineup. With a hybrid “Half + Half” construction that merges a powerful alloy barrel with a composite handle, The Goods series is dedicated to providing a unique blend of weight distribution and power. The bat caters to power hitters looking for a significant end-loaded swing weight and maximum energy transfer. Featuring a unique X14 Alloy Barrel for maximum stiffness with a massive sweet spot, the bat is dedicated to generating unparalleled pop.

  
  

Perfect bat for: Players who want an end-loaded swing weight to dominate the field with sheer hitting power.  
  

### Key features include:  
  

-   X14 Alloy Barrel: Engineered for maximum stiffness and a massive sweet spot, ensuring explosive power on contact.
    
-   Half + Half Technology: Combines a stiff composite handle with an alloy barrel for optimum weight distribution and reduced vibration.
    
-   Direct Connection: Offers a solid feel, maximizing energy transfer to the ball for powerful swings.  
    Tremor End Cap: Made from the stiffest materials in the DeMarini line, contributing to explosive pop and unmatched durability.
    
-   Heavy Swing Weight: Designed for power hitters looking for maximum momentum and force at impact.
    
-   Fortified Metal Compound Knob: A combination of alloy and composite materias to deliver enhanced durability and allow for improved leverage.  
      
    

### Top competitors comparison: The [Louisville Slugger Meta](https://sidelineswap.com/shop/baseball/bats/louisville-slugger/meta/l59403) and the [Easton Maxum](https://sidelineswap.com/shop/baseball/bats/easton/maxum-ultra/l165626)

  

Compared to competitors like the Louisville Slugger Meta and the Easton Maxum, DeMarini The Goods differentiates itself with its focused design on maximizing power. While the Meta is known for its balanced swing and the Maxum for its extended barrel, The Goods aims to provide a combination of a heavy swing weight and a stiff barrel, catered towards hitters who prioritize distance and force over everything else. This laser-focused design on power makes The Goods a standout choice for serious sluggers.  
  

### Progression of The Goods series:

  

Here is a list that details the progression of this series, highlighting the main features and advancements with each new model.

  

**2020 - [DeMarini The Goods](https://sidelineswap.com/shop/baseball/bats/demarini/the-goods/l59750)**  
- Introduction of the X14 Alloy Barrel: A massive barrel designed for maximum stiffness and explosive sound.  
- Direct Connection: This feature was designed to provide a more direct transfer of energy and a stiffer feel on contact, appealing to power hitters.  
- Seismic End Cap: Made of the stiffest materials in the DeMarini lineup, this cap helps to deliver explosive energy transfer upon contact.  
  
**2021 - [DeMarini The Goods](https://sidelineswap.com/shop/baseball/bats/demarini/the-goods/l59750)**  
- Continued use of X14 Alloy Barrel and Direct Connection features for optimized performance.  
- Introduction of Half + Half Technology: A continuation of DeMarini’s innovative approach, combining a composite handle and an alloy barrel for a perfect blend of speed, power, and feel.  
- Enhanced Seismic End Cap: Improved materials for better energy transfer and durability.  
  
**2022 - [DeMarini The Goods](https://sidelineswap.com/shop/baseball/bats/demarini/the-goods/l59750)**  
- Refinement of the Half + Half Technology, allowing for an even greater energy transfer and reduced vibration.  
- Enhanced Direct Connection with reinforced structures for a stiffer, more responsive feel.  
- X14 Alloy Barrel: Further optimized for a larger sweet spot and explosive performance. - Upgraded Seismic End Cap: Continued enhancements for improved sound and feel upon contact.  
  

### What people are saying (edited for clarity and brevity)

**PROS**

-   My son hit three home runs with the Goods bat at a college prospect camp this weekend. He says the current version feels amazing and is the best one yet.
    
-   I upgraded to this bat from my broken 2022 Goods. It has phenomenal pop and is the best in the Goods line.
    
-   This bat bangs!!! I bought this bat three weeks ago and this barrel is huge!
    

**CONS**

-   My son loved this bat from day one. After three weeks of use the plastic piece where the shaft meets the barrel cracked. Definitely expect something better than this for $450. Haven't started the warranty process yet so we'll see how that goes.
    
-   The bat handle now telescopes into the barrel after the junction cracked. We had expected better quality for the price and it's hard to accept a replacement that arrives 2-3 weeks later at best.
    
-   Bat bought 2 months ago broke when I dropped it. It's a good bat but not very durable. Connector piece broke and it telescoped.
    

  

### Certification: USSSA, USA, BBCOR

### Expert Notes ([Tony from BatExperts](https://sidelineswap.com/batexperts))

The Goods is a top performer and the 2024 model is the most expensive hybrid bat on the market. It's an end loaded bat for that power hitter in your lineup. The alloy is strong, and it has a good whip to it. Overall, The Goods is in the top five in the hybrids for both BBCOR and youth. The youth was less popular because it was a heavier-feeling.

  
  

Pop: ⭐⭐⭐⭐

Durability: ⭐⭐⭐

Vibration: ⭐⭐⭐⭐

  
Balanced or **End loaded**?

The Goods

## Marucci CAT 8 Baseball Bats 

 
The Marucci CAT 8 series is part of a lineup of bats consistently praised for outstanding performance and durability. The CAT 8 is a two-piece composite bat designed for a blend of power, speed, and control at the plate, with an expanded sweet spot to help hitters achieve their full potential. The series also serves as a testament to Marucci’s commitment to applying data and insights from professional hitters. Founded in a backyard shed in 2002, Marucci Sports has grown into one of the most reputable names in baseball equipment over the past 20 years. 

 
**Perfect bat for:** Youth to college-level players who are in search of a bat that offers a blend of power, speed, and comfort.


### 
Key features include:




* **AZ105 Super Strength Aluminum Alloy:** Offers thinner barrel walls for a higher response rate and unmatched durability.
* **Multi-variable Wall Design:** Expands the sweet spot and reduces weight, enhancing forgiveness and power.
* **Precision-balanced Barrel:** Designed for optimal swing speed and control, improving hitters' performance across all levels.
* **AV2 Anti-Vibration Knob:** Delivers a better feel and minimizes sting on mishits, ensuring comfort during every at-bat.
* **Ring-free Barrel Technology: **Increases flexibility and promotes maximum performance with no "dead" spots on the barrel.
* **Micro-Perforated Soft-Touch Grip:** Provides superior grip and comfort during every swing. 



### Top competitors comparison: [The Louisville Slugger Omaha](https://sidelineswap.com/shop/baseball/bats/louisville-slugger/omaha-2/l8755) and the [DeMarini Voodoo](https://sidelineswap.com/shop/baseball/bats/demarini/voodoo/l7333) 

Marucci CAT 8 particularly excels in its use of AZ105 alloy for durability and a thinner barrel for a higher response rate. While the Omaha and Voodoo are known for their balanced swing and innovative technology, the CAT 8 sets itself apart with its anti-vibration technology and multi-variable wall design, the cat 8 uses 8 different thicknesses of barrel wall, offering players a mix of comfort, power, and precision that is hard to beat.


### Progression of the Marucci CAT baseball bat

Here is a list that details the progression of this series, highlighting the main features and advancements with each new model.

 


**2014 **-** [CAT6](https://sidelineswap.com/shop/baseball/bats/marucci/cat-6/l7498)**



* Building on the ring-free barrel design, Marucci releases the CAT6 with an extended, optimized barrel made from the AZ3000 alloy.
* Patented anti-vibration knob takes on additional weight for a more balanced feel and faster swing speeds.

**2017 **-** [CAT7](https://sidelineswap.com/shop/baseball/bats/marucci/cat-7/l7247) & CAT7 CONNECT**



* CAT7 and CAT7 Connect are introduced, featuring the upgraded AZ4X alloy for improved performance.
* CAT7 has a one-piece alloy construction, while CAT7 Connect offers a two-piece hybrid design with a carbon composite handle.
* Both models feature an increased sweet spot and an upgraded anti-vibration knob (AV2). 


**2019 **-** [CAT8](https://sidelineswap.com/shop/baseball/bats/marucci/cat8-2/l7709), CAT8 CONNECT, CAT COMPOSITE**



* CAT8, CAT8 Connect, and CAT Composite are launched.
* The barrels of CAT8 and CAT8 Connect are constructed using the new AZ105 alloy for higher performance at the sweet spot.
* Introduction of SDX EXT connection technology for a stiffer connection and improved energy transfer.
* CAT Composite, a two-piece composite bat, is introduced with SDX EXT and ring-free barrel construction.


### What people are saying (edited for clarity and brevity)

**PROS**



* I am pleased to say that my son has experienced an increased exit speed and longer distances. He has noticed that the bat has an expanded sweet spot, resulting in more comfortable hits with less sting.
* My son had a few mishits but the ball still came off decently, and he mentioned that there was no vibration. I would recommend this bat, especially for younger kids who are improving their skills but still want success.
* A go-to choice when under pressure. It has a large sweet spot, providing a ton of power. The bat is also easy to swing and consistently achieves a higher exit velocity off the tee compared to a Cat9 alloy and 23' meta.

**CONS**



* I purchased the -8 version, which has a small sweet spot. The knob is great, but the grip is not as effective. 
* If you are still 11, I suggest you get the drop ten because it has a bigger sweet spot and more pop due to its smaller aluminum content. Overall, it's a nice medium-swinging -8! 
* I was unaware that this bat was the Junior version and only recommended for Coach Pitch.


### **Certification**: USA, USSSA, BBCOR 


### Expert Notes ([Tony](https://sidelineswap.com/locker/batexperts)) 

The CAT8 is an older model from 2019 and a good BBCOR and USSSA bat. Very good performing bat with a sound that players love. Lightweight and easy to swing. It's probably one of the best sellers, and since the CAT8 is still available, it's perhaps one of the better bang for the buck. Prices dropped for this older model. So, it is a good match for an entry-level player on a tight budget.

Pop: ⭐⭐⭐⭐

Durability: ⭐⭐⭐⭐

Vibration: ⭐⭐⭐⭐

 
**Balanced** or End loaded?

CAT8

# DeMarini CF Zen Baseball Bat

The DeMarini CF Zen series is a highly acclaimed line of composite baseball bats known for their light swing weight and exceptional balance. The DeMarini CF Zen is engineered with Paraflex Plus Composite material for players who demand a bat that can keep up with their high level of play. The DeMarini CF Zen offers exceptional flexibility, durability, and a massive sweet spot. Founded in 1989, DeMarini has emerged as an innovative designer for baseball bats at every level. 


**Perfect bat for**: Ideal for hitters who seek to maximize their swing speed without sacrificing control. 



### Key features include: 




* **Paraflex Plus Composite Barrel:** Engineered for consistent responsiveness and a huge sweet spot, delivering maximum pop.
* **3Fusion Connection:** Reduces vibration for a comfortable feel while redirecting energy back into the barrel for improved performance.
* **ReAction End Cap:** Increases barrel performance without sacrificing swing speed, enhancing the bat's overall balance.
* **Balanced Swing Weight:** Optimizes bat speed and control, making it easier for hitters to meet and drive the ball.
* **Two-piece Composite Construction:** Offers an ideal combination of weight, balance, and flexibility, promoting a more efficient swing path. 



### Top competitors comparison: [Louisville Slugger Meta](https://sidelineswap.com/shop/baseball/bats/louisville-slugger/meta/l59403) and the [Rawlings Quatro Pro](https://sidelineswap.com/shop/baseball/bats/rawlings/quatro-pro/l10010)

The DeMarini CF Zen differentiates itself from competitors like the Louisville Slugger Meta and the Rawlings Quatro Pro with its innovative Paraflex Plus Composite material and 3Fusion Connection technology, providing a unique blend of flexibility, balance, and reduced vibration. While the Meta is known for its EKO Composite barrel and premium feel, and the Quatro Pro boasts a four-piece composite design for maximum power, the CF Zen excels in delivering a balanced swing weight and enhanced barrel performance, making it a top choice for athletes who value precision along with power. 



### Evolution of the CF Zen Series 

Here is a list that details the progression of this series, highlighting the main features and advancements with each new model. 


**2016 - [CF Zen](https://sidelineswap.com/shop/baseball/bats/demarini/cf-zen-2020/l8432) (Initial Release)**
- Introduced the Paraflex Composite for a more responsive barrel and better weight distribution. 
- 2-piece composite design with D-Fusion 2.0 handle to reduce vibration and redirect energy back into the barrel. 
 
**2017 - [CF Zen](https://sidelineswap.com/shop/baseball/bats/demarini/cf-zen-2020/l8432) (Update)**
- Enhanced Paraflex Composite for even greater flexibility and durability. 
- Refined D-Fusion 2.0 handle technology to further dampen hand sting on mis-hits. 
- New Low Pro end cap to optimize balance and maintain barrel integrity. 
 
 
 

**2020 - [CF Zen (BBCOR)](https://sidelineswap.com/shop/baseball/bats/demarini/cf-zen-2020/bat-type-bbcor/l211796)**
- Applied the latest Paraflex Plus Composite for a lighter, more responsive barrel. 
- 3Fusion Connection technology optimized to redirect energy into the ball for explosive performance while minimizing hand sting. 
- Redesigned end cap (ReAction End Cap) to increase barrel performance and swing speed. 
 
**2021 - [CF Zen](%28https://sidelineswap.com/shop/baseball/bats/demarini/cf-zen-2020/l8432%29) (Latest Model)**
- New Paraflex Plus Composite delivers the perfect combination of balance and power. 
- Improved 3Fusion Connection and ReAction End Cap for enhanced feel, performance, and swing speed. 
- Attention to detail in material consistency for increased durability and performance across all pitch speeds. 


### What people are saying (edited for clarity and brevity)

**PROS**



* Good bat, with less pop than 1-piece aluminum. Ideal for singles with a lighter swing weight. Composite material, so have 2 bats for high competition.
* My son is 11 years old. I was worried he would struggle to swing a 30/20 bat this year, considering he used a 29/19 bat last year. However, this bat is amazing! It is hot right out of the wrapper. I wouldn't even think about using another bat this year; this one is perfect.
* This is the best overall USA bat on the market. It has decent pop and great balance, making it a high-quality option.

**CONS**



* "The bat developed cracks in the sweet spot from regular use during batting practice. After six months, the cracks grew larger until there were two major ones, resembling a cave-in."
* Bat has pop but I've had a couple of friends crack this same bat after 4 games.
* Bought it for my son, 2nd time he used it, it cracked. He only hit league baseballs with it in warm weather.


### **Certification**: BBCOR, USSSA, USA


### Expert Notes ([Tony from BatExperts](https://sidelineswap.com/batexperts))

The CF Zen has been discontinued. The early models from 2017 - 2021 were called CF Zens. After that, DeMarini changed the name to CF. The first models of the CF Zen were very high-performance. But they also tended to break, so DeMarini made them stronger, made them stiffer, made them more durable. And when they did that, the bats didn't hit as well. The early models were better performers than the later models. 


Pop: ⭐⭐⭐⭐

Durability: ⭐⭐⭐

Vibration: ⭐⭐⭐⭐

 
**Balanced** or End loaded?

Category	Baseball > Bats
Brand	Marucci Baseball BatsMarucci
Model	Marucci CAT9 BatCAT9
Condition	Used
Bat Certification	USSSA Certified Baseball BatsUSSSA Certified
Age Group	Kid Pitch (9YO-13YO) Baseball BatsKid Pitch (9YO-13YO)
Barrel	2 3/4" Barrel Baseball Bats2 3/4"
Length	31" Baseball Bats31"
Drop	(-8) Baseball Bats-8
Bat Material	Alloy Baseball BatsAlloy
Release Year	2021 Baseball Bats2021
Weight	23 oz Baseball Bats23OZ

Similar Listings

2021 Marucci Cat 9 31/23