One of the best things about shopping at HB Sports is that you can find everything you’re looking for in one convenient location, and all categorically arranged. Senior League Baseball Bats are bats that are approved for play in the Senior League, one of the leagues available to players between the ages of 13 and 16 years. They are permitted to have a barrel diameter greater than 2 ¼ inches, typically 2 5/8 inches or 2 3/4 inches, and may have a weight drop between -5 and -12. Many of them are called youth big barrel baseball bats or youth big barrel bats. If you need help finding a specific senior league bat for young players, please contact our customer service team at 888-540-BATS.