For the 2015 MBL/MBT Season the Bat Rules will remain the same as 2014, except for the following 10U rules:  Bats must be 2 1/4" with unlimited weight differential or (NEW Rule) bats must be between 2 1/2" and 2 3/4"and have a -10 differential or less (i.e. 30” – 20.0 oz.)