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Mar, 2017

Bat Rule Changes Coming to Little League for 2018

Beginning with the 2018 Little League season, non-wood and laminated baseball bats used in the Little League (league ages 12 and below), Intermediate (50/70) Division, and Junior League shall bear the USA Baseball logo signifying that the bat meets the USA Baseball Performance Standard. 

All BPF – 1.15 bats will be prohibited beginning with the 2018 season. Additionally, starting in 2018, the bat diameter shall not exceed 2-5/8” for these divisions of play.


Little League (Major) Division and below

The baseball bat shall not be more than thirty-three (33) inches in length nor more than two and one-quarter (2 ¼) inches in diameter. Non-wood bats shall be labeled with a BPF (bat performance factor) of 1.15 or less. 

Composite barrel bats are prohibited unless approved by Little League International. A list of approved composite barrel bats can be found on the Little League website,

Intermediate (50/70) Division and Junior League

The baseball bat shall not be more than 34 inches in length; nor more than 2-5/8 inches in diameter, and if wood, not less than fifteen-sixteenths (15/16) inches in diameter (7/8 inch for bats less than 30 inches) at its smallest part. All composite barrel bats shall meet the Batted Ball Coefficient of Restitution (BBCOR) performance standard, and such bats shall be so labeled with a silkscreen or other permanent certification mark. 

Bat options for Intermediate (50/70) Division and Junior League Baseball:


·         2 ¼” aluminum/alloy barrel bat labeled with a BPF of 1.15 or less


·         2-5/8” aluminum/alloy barrel bat (no markings required)