Shop by Bat Certification
366 Results
![Used 2021 Marucci CAT9 Composite (31") USSSA Certified Baseball Bat - 21 oz (-10)](https://edge.images.sidelineswap.com/production/062/483/259/731b9dfcee3cba3e_original.jpeg?height=500&optimize=high)
Rebound_Sports
Used 2021 Marucci CAT9 Composite (31") USSSA Certified Baseball Bat - 21 oz (-10)
$52
Retail price: $349![Used 2021 Louisville Slugger Meta (31") USSSA Certified Composite Baseball Bat - 21 oz (-10)](https://edge.images.sidelineswap.com/production/061/542/389/029df4a9b6b436a1_original.jpeg?height=500&optimize=high)
Rebound_Sports
![2015 Easton Mako XL (31") Composite Baseball Bat - 21 oz (-10) | USSSA Certified](https://edge.images.sidelineswap.com/production/064/456/756/edc8ffc238aa1157_original.jpeg?height=500&optimize=high)
Rebound_Sports
2015 Easton Mako XL (31") Composite Baseball Bat - 21 oz (-10) | USSSA Certified
$90
Retail price: $350![New 2023 Easton ADV 360 USA Baseball Certified Bat Composite 31" - 21 oz (-10)](https://edge.images.sidelineswap.com/production/068/839/133/441b166291a20903_original.jpeg?height=500&optimize=high)
KleenNHardSport
New 2023 Easton ADV 360 USA Baseball Certified Bat Composite 31" - 21 oz (-10)
$280
Retail price: $350![New Demarini The Goods (-10) 2 3/4" USSSA Baseball Bat 31" - 21 oz.](https://edge.images.sidelineswap.com/production/060/630/019/868d6ea65d210499_original.jpeg?height=500&optimize=high)
sfssports
![2025 Easton Hype Fire 31" / 21 oz USSSA Travel Baseball Bat 2¾" Big Barrel ►2-DAY SHIPPING◄](https://edge.images.sidelineswap.com/production/077/627/789/086cc63b23261bc2_original.jpeg?height=500&optimize=high)
ProtechProducts
![*NEW* 2025 DeMarini ZEN USSSA 31" / 21 oz Composite 2¾" Travel Baseball Bat -WBD2532010 ►2-DAY SHIP◄](https://edge.images.sidelineswap.com/production/069/055/648/09be725cfef6bfea_original.jpeg?height=500&optimize=high)
ProtechProducts
![2025 Rawlings Icon 31" / 21 oz USSSA Travel Baseball Bat 2 3/4" Big Barrel ►2-DAY SHIP◄](https://edge.images.sidelineswap.com/production/077/628/198/551ae0be349e2b02_original.jpeg?height=500&optimize=high)
ProtechProducts
2025 Rawlings Icon 31" / 21 oz USSSA Travel Baseball Bat 2 3/4" Big Barrel ►2-DAY SHIP◄
$400
Retail price: $400![Used DeMarini (-10) 21 oz 31" CF Bat](https://edge.images.sidelineswap.com/production/052/663/948/20e5118679f7a738_original.jpeg?height=500&optimize=high)
Jellis318
![Used DeMarini (-10) 21 oz 31" CF Bat](https://edge.images.sidelineswap.com/production/076/458/661/ec184900eb095172_original.jpeg?height=500&optimize=high)
smit07
![Easton (-10) 21 oz 31" (Used) Ghost X Bat](https://edge.images.sidelineswap.com/production/076/874/523/41a593add77d31de_original.jpeg?height=500&optimize=high)
piasdeptford
![Louisville Slugger (-10) 21 oz 31" (Used) Meta Bat](https://edge.images.sidelineswap.com/production/077/171/642/b1057078d7a8b905_original.jpeg?height=500&optimize=high)
Snookerusports
![Used 2016 Easton (-10) 21 oz 31" Mako Bat](https://edge.images.sidelineswap.com/production/069/549/411/73300c090cff57be_original.jpeg?height=500&optimize=high)
Ryankontos33
![Used Louisville Slugger (-10) 21 oz 31" Meta Bat](https://edge.images.sidelineswap.com/production/052/664/112/76e41f31da8f56c8_original.jpeg?height=500&optimize=high)
Jellis318
![Used 2021 Composite (-10) 21 oz 31" Meta Bat](https://edge.images.sidelineswap.com/production/052/902/259/ce9a1456cff0b90b_original.jpeg?height=500&optimize=high)
mpolidoro
![Used 2022 Composite (-10) 21 oz 31" Meta Bat](https://edge.images.sidelineswap.com/production/055/279/196/05fdafd6221920a9_original.jpeg?height=500&optimize=high)
Baseballmom24
![Used 2016 Composite (-10) 21 oz 31" CF8 Bat](https://edge.images.sidelineswap.com/production/033/386/431/a920c85889d9ae74_original.jpeg?height=500&optimize=high)
chachi2
![2023 Rawlings (-10) 21 oz 31" (Used) Icon Bat](https://edge.images.sidelineswap.com/production/076/847/098/ddb4f44ecef1aa7b_original.jpeg?height=500&optimize=high)
piasdeptford
![Used 2016 Composite (-10) 21 oz 31" Mako Bat](https://edge.images.sidelineswap.com/production/038/576/244/b2c787fcc664ca4f_original.jpeg?height=500&optimize=high)
TyDammlingBsbl
![Used DeMarini (-10) 21 oz 31" CF Bat 1.15](https://edge.images.sidelineswap.com/production/059/953/004/a2b4b21c21c1ba66_original.jpeg?height=500&optimize=high)
piasdeptford
![Used Louisville Slugger Meta Bat (-10) 21 oz 31"](https://edge.images.sidelineswap.com/production/076/751/808/b5d51d9b61a3d9fe_original.jpeg?height=500&optimize=high)
Buyingfastpitch
![Used Rawlings (-10) 21 oz 31" Quatro Pro Bat](https://edge.images.sidelineswap.com/production/061/738/482/52c8fb634b475ee3_original.jpeg?height=500&optimize=high)
PIASLincolnNE
![2025 Easton Hype Fire 31" / 21 oz USA Little League Pony Baseball Bat 2 5/8" Big Barrel ►2-DAY SHIP◄](https://edge.images.sidelineswap.com/production/077/627/899/c506d504de101a57_original.jpeg?height=500&optimize=high)
ProtechProducts
![Used 2015 DeMarini CF7 Bat (-10) Composite 21 oz 31"](https://edge.images.sidelineswap.com/production/067/954/103/3d55b2fe5b5576dd_original.jpeg?height=500&optimize=high)
Mendoza1031
![DeMarini USSSA Certified (-10) 21 oz 31" (Used) CF Bat](https://edge.images.sidelineswap.com/production/077/177/703/02a9132ab73c114f_original.jpeg?height=500&optimize=high)
ShaneS15
![Used Marucci CAT9 USSSA Certified Bat (-10) 21 oz 31"](https://edge.images.sidelineswap.com/production/074/169/601/e255841f54f5cc93_original.jpeg?height=500&optimize=high)
GoldLew4848
![Used USSSA Certified DeMarini (-10) 21 oz 31" CF Bat](https://edge.images.sidelineswap.com/production/076/601/655/06f424ee8e64d163_original.jpeg?height=500&optimize=high)
CCharl796
![Used DeMarini USSSA Certified (-10) 21 oz 31" CF7 Bat](https://edge.images.sidelineswap.com/production/073/473/602/78d27831c983e506_original.jpeg?height=500&optimize=high)
cvanderheiden