2021 Bats For MBL/MBT

Bat restrictions:  9U-14U: All bats must have the new USA stamp (unless using a -3 BBCOR bat). 15’s must use a BBCOR bat or wood bat.

9-U, 10-U, 11-U,
12-U, 13-U
Bats must be 2 1/4" with unlimited weight differential or bats 2 3/8", 2 5/8" & 2 3/4" can have a -11 differential or less (i.e. 31” – 20.0 oz.)
14-U
14/15A
Bats must be 2 5/8" with a -5 or less differential
15-U
Bats must be 2 5/8” with a -3 or less differential


You can find the approved bat list from USA Baseball at https://usabat.com/