What are the current rules and regulations regarding Youth Big Barrel baseball bats?

Youth Big Barrel Baseball Bats are also commonly referred to as "Senior League" baseball bats. These bats are used by players who play in youth leagues that allow bats with barrels larger than 2 1/4 inches in diameter. Youth big barrel baseball bats can have a barrel diameter of either 2 5/8 inches or 2 3/4 inches, and generally have a length to weight ratio between -5 and -10.

Barrel Size

Check your league's rules regarding the use of 2 3/4 inch barrels.