IMPORTANT INFORMATION REGARDING BAT RULES CHANGE FOR 10-U
For the 2015 MBL/MBT Season the Bat Rules will remain the same as 2014 EXCEPT the new 10-U bat rules for MBL/MBT are:
"Bats must be 2 1/4" with unlimited weight differential or bats must be between 2 1/2" and 2 3/4" and have a -10 differential or less (i.e. 30" - 20.0 oz.)"
For the 2015 MBL/MBT season all bats in the 10-14 year old age group, big barrel bats must have the NEW USSSA approved 1.15 BPF stamp on its taper, Babe Ruth Approved 1.15 BPF stamp or BBCOR stamp. For small barrel bats (2 1/4"), 10-13 year olds use all of the above stamps or you can also use bats that have the old approved USSSA 1.15 mark or it can have any 1.15 stamp on the bat. 15 year olds must use a BBCOR (Batted Ball Coefficient or Restitution).