Updated as of February 15, 2018
Rule 1.10 – Baseball
The bat must be a baseball bat which meets the USA Baseball Bat standard (USA Bat) as adopted by Little League. It shall be a smooth, rounded stick, and made of wood or of material and color tested and proved acceptable to the USA Baseball Bat standard (USABat).
Beginning with the 2018 season, non-wood and laminated bats used in the Little League (Majors) and below, Intermediate (50-70) Division, Junior League divisions, and Challenger division shall bear the USA Baseball logo signifying that the bat meets the USABat – USA Baseball’s Youth Bat 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 2⅝ inches for these divisions of play. Bats meeting the Batted Ball Coefficient of Restitution (BBCOR) standard may also be used in the Intermediate (50-70) Division and Junior League divisions. Additional information is available at LittleLeague.org/batinfo.
Tee Ball:
Under the USABat standard, certified Tee Ball bats (26″ and shorter) will feature the USA Baseball mark and text which reads ONLY FOR USE WITH APPROVED TEE BALLS. All Tee Ball bats must feature the USA Baseball mark and accompanying text. Tee Ball bats that were produced and/or purchased prior to the implementation of the new standard can be certified using an Approved Tee Ball Sticker via the USA Baseball Tee Ball Sticker Program (USABaseballShop.com) beginning September 1, 2017.
Minor/Major Divisions:
It shall not be more than 33 inches in length; nor more than 2⅝ inches in diameter, and if wood, not less than fifteen-sixteenths (15/16) inches in diameter (7/8 inch for bats less than 30″) at its smallest part. Wood bats taped or fitted with a sleeve may not exceed sixteen (16) inches from the small end.
NOTE 1: Solid one-piece wood barrel bats do not require a USA Baseball logo.
Intermediate (50-70) Division and Junior League:
It shall not be more than 34″ inches in length; nor more than 2⅝ inches in diameter, and if wood, not less than fifteen-sixteenths (15/16) inches in diameter (7/8 inch for bats less than 30″) at its smallest part. Wood bats taped or fitted with a sleeve may not exceed eighteen (18) inches from the small end.
NOTE 1: Solid one-piece wood barrel bats do not require a USA Baseball logo.
NOTE 2: Also, permitted for the Intermediate (50-70) Division and Junior League Division are bats meeting the BBCOR performance standard, and so labeled with a silkscreen or other permanent certification mark. The certification mark shall be rectangular, a minimum of a half-inch on each side and located on the barrel of the bat in any contrasting color. Aluminum/alloy and composite bats shall be marked as to their material makeup being aluminum/alloy or composite. This marking shall be silkscreen or other permanent certification mark, a minimum of one-half-inch on each side, and located on the barrel of the bat in any contrasting color.
Senior League:
It shall not be more than 36 inches in length, nor more than 2⅝ inches in diameter, and if wood, not less than fifteen-sixteenths (15/16) inches in diameter (7/8 inch for bats less than 30″) at its smallest part. Wood bats taped or fitted with a sleeve may not exceed eighteen (18) inches from the small end. The bat shall not weigh, numerically, more than three ounces less than the length of the bat (e.g., a 33-inch-long bat cannot weigh less than 30 ounces). All bats not made of a single piece of wood 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. The certification mark shall be rectangular, a minimum of a half-inch on each side and located on the barrel of the bat in any contrasting color. Aluminum/alloy and composite bats shall be marked as to their material makeup being aluminum/alloy or composite. This marking shall be silkscreen or other permanent certification mark, a minimum of one-half-inch on each side, and located on the barrel of the bat in any contrasting color.