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31" Baseball Bats - Page 33

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1,372 Results
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Used Marucci USSSA Certified Composite 23 oz 31" CAT9 Composite Bat
BaseballMom83
Used Marucci USSSA Certified Composite 23 oz 31" CAT9 Composite Bat
$115
Marucci CAT Connect Bat (-11) 20 oz 31" (Used)
Teddyc54
Marucci CAT Connect Bat (-11) 20 oz 31" (Used)
$120
Marucci USABat Certified CAT9 (-8) Alloy 23 oz 31" (Used)
OwenKline1219
Marucci USABat Certified CAT9 (-8) Alloy 23 oz 31" (Used)
$60
2023 Marucci CAT X Composite Bat USSSA Certified (-5) Composite 26 oz 31"
jdcloco7
2023 Marucci CAT X Composite Bat USSSA Certified (-5) Composite 26 oz 31"
$112
Retail price: $300
(DENT) 2021 Marucci CAT Bat USABat Certified (-10) Alloy 21 oz 31" (Used)
LastSwing
(DENT) 2021 Marucci CAT Bat USABat Certified (-10) Alloy 21 oz 31" (Used)
$39
Used Marucci (-5) 26 oz 31" CAT 9 Composite Bat
Hockeyboys00
Used Marucci (-5) 26 oz 31" CAT 9 Composite Bat
$100
Retail price: $200
Used Marucci Cat 9 31" -8 Drop Usssa 2 3 4 Barrel Bats 11605-s000184670
FishersPias
Used Marucci Cat 9 31" -8 Drop Usssa 2 3 4 Barrel Bats 11605-s000184670
$70
Used Marucci (-10) 13 oz 31" CAT8 Bat
Dark17
Used Marucci (-10) 13 oz 31" CAT8 Bat
$40
2016 Marucci CAT7 Hybrid USSSA Certified Bat (-10) 21 oz 31" (Used)
Drewweb2
2016 Marucci CAT7 Hybrid USSSA Certified Bat (-10) 21 oz 31" (Used)
$30
2024 Marucci CATX2 Alloy USSSA Certified Bat (-8) 23 oz 31" (Used)
wmj2890
2024 Marucci CATX2 Alloy USSSA Certified Bat (-8) 23 oz 31" (Used)
$150
Retail price: $299
Marucci cat 8 limited edition
dejesdes
Marucci cat 8 limited edition
$54
Retail price: $170
Marucci AM22 Maple USSSA Certified Bat 31" (Used)
Koltyn09
Marucci AM22 Maple USSSA Certified Bat 31" (Used)
$50
2023 Marucci CAT X Composite USSSA Certified Bat (-8) 23 oz 31" (Used)
Koltyn09
2023 Marucci CAT X Composite USSSA Certified Bat (-8) 23 oz 31" (Used)
$95
Cat 9 bbcor -3 31' used
Coltonnichols1
Cat 9 bbcor -3 31' used
$40
Retail price: $170
Used Marucci USSSA Certified Composite 21 oz 31" CAT X Bat
JParlie
Used Marucci USSSA Certified Composite 21 oz 31" CAT X Bat
$125
2020 Marucci (-8) 23 oz 31" CAT 8 Bat
JeffreyHern89
2020 Marucci (-8) 23 oz 31" CAT 8 Bat
$41
Retail price: $300
2021 Marucci CAT9 Composite USSSA Certified Bat (-8) Composite 23 oz 31" (Used)
Ballplayer23929
2021 Marucci CAT9 Composite USSSA Certified Bat (-8) Composite 23 oz 31" (Used)
$100
Retail price: $350
Used 2021 Marucci USSSA Certified Hybrid 23 oz 31" CAT9 Connect Bat
Colin_w
Used 2021 Marucci USSSA Certified Hybrid 23 oz 31" CAT9 Connect Bat
$75
Retail price: $280
Marucci CAT X USA Bat (-10) 21 oz 31" (Used)
Sp1345
Marucci CAT X USA Bat (-10) 21 oz 31" (Used)
$375
Used Marucci USSSA Certified Composite 23 oz 31" CAT X Bat
Rm9658
Used Marucci USSSA Certified Composite 23 oz 31" CAT X Bat
$162
2021 Marucci CAT9 Connect Hybrid USSSA Certified Bat (-8) 23 oz 31" (Used)
Ragealltheway
2021 Marucci CAT9 Connect Hybrid USSSA Certified Bat (-8) 23 oz 31" (Used)
$35
Retail price: $200
Marucci CAT 8 Bat (-10) 31/21
JJ2boys
Marucci CAT 8 Bat (-10) 31/21
$32
Retail price: $280
2025 Marucci USSSA Certified Bat (-5) 26 oz 31" (Used)
RRiley268
2025 Marucci USSSA Certified Bat (-5) 26 oz 31" (Used)
$161
Retail price: $500
2025 Marucci CATX2 Alloy USSSA Certified Bat (-5) 26 oz 31" (New)
Stickman3
2025 Marucci CATX2 Alloy USSSA Certified Bat (-5) 26 oz 31" (New)
$200
Retail price: $300
2025 Marucci CATX2 Composite USSSA Certified Bat (-5) 26 oz 31" (New)
Stickman3
2025 Marucci CATX2 Composite USSSA Certified Bat (-5) 26 oz 31" (New)
$300
Retail price: $400
2025 Marucci CATX2 Composite USSSA Certified Bat (-8) 23 oz 31" (New)
Stickman3
2025 Marucci CATX2 Composite USSSA Certified Bat (-8) 23 oz 31" (New)
$300
Retail price: $400
2023 Marucci CATX Alloy USSSA Certified Bat (-8) 23 oz 31" (Used)
GG857
2023 Marucci CATX Alloy USSSA Certified Bat (-8) 23 oz 31" (Used)
$71
Retail price: $300
2024 Marucci CAT Connect Hybrid USABat Certified Bat (-9) 20 oz 31" (Used)
Gbohna
2024 Marucci CAT Connect Hybrid USABat Certified Bat (-9) 20 oz 31" (Used)
$75
Marucci CAT X Composite Bat (-5) 27 oz 31" (Used)
Hayterc1
Marucci CAT X Composite Bat (-5) 27 oz 31" (Used)
$52
Used Marucci USSSA Certified Alloy 26 oz 31" CAT9 Bat
bball99
Used Marucci USSSA Certified Alloy 26 oz 31" CAT9 Bat
$54
Retail price: $299
Bat Used USSSA Certified 2019 Marucci Alloy Posey28 (-8) 23 oz 31"
Baseballking27
Bat Used USSSA Certified 2019 Marucci Alloy Posey28 (-8) 23 oz 31"
$54
Retail price: $220
2020 Marucci CAT9 Alloy BBCOR Certified Bat (-3) 28 oz 31" (Used)
connormcdevitt
2020 Marucci CAT9 Alloy BBCOR Certified Bat (-3) 28 oz 31" (Used)
$67

Shop 31" Baseball Bats at SidelineSwap

At SidelineSwap, we provide a platform for athletes to buy and sell a wide range of 31" baseball bats, catering to every skill level. You can explore thousands of options, including new and used bats, with savings of up to 70%. Our category includes popular brands like Louisville Slugger, Marucci, and Rawlings.

Bat Certification Options

Choose from various bat certifications depending on your league requirements:

  • USSSA Certified - Ideal for youth leagues.
  • BBCOR Certified - Suitable for high school and college play.
  • USABat Certified - Meets standards for youth baseball.

Our selection features over 7,500 bats, including training and fungo bats. With fast delivery options and free shipping on select items, shopping is convenient. Additionally, our community of experts offers tips and guidance to help you make informed choices. Whether you’re upgrading your gear or starting fresh, SidelineSwap is your go-to destination for 31" baseball bats.

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