2021 Marucci CAT9 Composite USSSA Certified Bat (-10) 21 oz 31" (Used)

The 2021 Marucci CAT9 Composite (-10) is a USSSA-certified bat designed for kid pitch leagues, combining a balanced 2 3/4" barrel with composite construction for a lighter swing and enhanced pop. The 31" length and 21 oz weight provide a manageable profile for players aged 9 to 13, making it easier to generate bat speed and control through the zone. The composite material also helps reduce vibration on contact, improving feel. This bat suits youth players progressing in competitive baseball who need a bat compliant with USSSA standards. Its -10 drop weight aligns with league regulations and supports developing swing mechanics without sacrificing power potential. The 31" length is ideal for players of average height in this age group looking for a reliable, game-ready bat. This is a used item with typical wear consistent with regular play.

The Marucci CAT 9 Composite bat is a two-piece composite bat found in USSSA, USA, and BBCOR. Unlike its alloy counterparts within the CAT series, the CAT 9 Composite provides a massive barrel and balanced swing. The connection piece helps absorb mishit balls’ sting and is identical to the one used on the BBCOR CAT 8 Connect.

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The CAT9 Composite comes in two designs across two generations. The first, released in 2021, is gray, black, and red. And then it came out in red, white, blue, and gray. The first model was a more powerful, higher-performing bat. It has more exit velocity and is a hotter bat than the 2nd gen. Very durable, with very little breakage. Marucci's, across the board, have been good bats in terms of quality; they seem to last. Whether you're a power hitter or a small kid, the CAT9 Composite does very well.

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@BatExperts, Expert Review