Significant Bat Rules Changes for 2011 Season
National Federation of State High School Associations (NFHS)
The NFHS has banned Composite bats that do not meet the Batted Ball Coefficient of Restitution (BBCOR) performance standard effective in the 2011. A list of approved bats is provided here NFHS approved bats
Not all High School leagues follow the NFHS rules so check with your coach or athletic director for local bat rule changes.
Little League has also made significant bat rules changes for both Big Barrel and Little League bats. A limited number of composite bat have been approved for play at the various little league levels. A list of approved bats can be found here Little League approved composite bats.This list is updated regularly.
Babe Ruth has also banned composite bats for its upper division (ages 13-18) unless the composite bat complies with the NFHS rules. A list of the Babe Ruth approved composite bats can be found here Babe Ruth approved bats. Note this list is the same as the NFHS list
The rule changes for composite bats do not apply to the Cal Ripken Major, Minor, Rookie and T-Ball Divisions, nor does it apply to any division of Softball.
Dixie baseball has adopted the NFHS composite bat rules for its 15-19 year old divisions. Bat rules for the 13-14 year old division remain unchanged for 2011. For more information see Dixie Bat Rules.