13-15 BASEBALL DIVISION
The bat may not exceed 34” in length, and the bat barrel may not exceed 2 5/8” in diameter. All aluminum/alloy barrel bats and all composite handle (only) aluminum/alloy barrels are allowed. Only composite barrel bats certified and marked BBCOR .50 will be allowed. Wood barrel bats conforming to the specifications of Official Baseball Rule 1.10 are allowed.
Implementation of USABat Standard Began on January 1, 2018
USA Baseball, the national governing body for the sport of baseball in the U.S., in conjunction with participating national member organizations (NMOs) announced the decision to adopt a new method for measuring bat performance in the testing of youth bats. Informed by the research of leading scientists on the USA Baseball Bat Study Committee, and supported by its NMOs, -- including the American Amateur Baseball Congress (AABC), Amateur Athletic Union (AAU), Babe Ruth Baseball/Cal Ripken Baseball, Dixie Youth Baseball, Little League Baseball and PONY Baseball -- USA Baseball has concluded that recent advancements in science, engineering, technology, and the materials available to fabricate non-wood bats, now allow the manufacturers to construct youth bats that can perform at a wood-like level through the entire range of lengths and weights of youth bats.
The new USA Baseball bat standard (USABat), which will apply to bats that are classified below the NCAA and NFHS level of play, was implemented on January 1, 2018.
Similar to the NCAA and NFHS BBCOR standard, which helped to eliminate discrepancies with different length bats and thus provide a more direct measure of bat performance, the new USA Baseball bat standard will allow youth baseball organizations in the United States to reach their goal of establishing a wood-like standard, a standard that will provide for the long-term integrity of the game.
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Frequently Asked Questions about the USABat standard:
Which national member organizations are implementing this new standard?
To date, the following organizations are participating (in alphabetical order): American Amateur Baseball Congress (AABC), Amateur Athletic Union (AAU), Babe Ruth Baseball/Cal Ripken Baseball, Dixie Youth Baseball, Little League Baseball and PONY Baseball.
Why the change to a wood-like standard?
USA Baseball’s national member organizations believe that a wood-like performance standard will best provide for the long-term integrity of the game. The new standard will not have a drop-weight limit, so young players can use bats made with light-weight materials.
Why not just use wood bats?
Wood is a scarce resource. The new bats will be designed to perform much like wood, where its performance will be limited to the highest performing wood.
How is the USABat standard different from the BBCOR standard used by the NCAA and NFHS?
Both the USA Baseball and NCAA bat performance tests are based on the coefficient of restitution from a bat-ball impact. The scale of results is different, however, since they use different test balls and test speeds. The testing difference is necessary to address the various levels of play in the respective age groups.
Why is USA Baseball involved?
The national member organizations asked USA Baseball as the national governing body to take the lead in this process to establish a new standard. Many other national governing bodies set and enforce standards for the equipment in their respective sports. To that end, USA Baseball established a Bat Study Committee of leading scientists and conducted theoretical modeling, field testing and lab testing. The committee shared its findings with the national member organizations, who then endorsed the new USABat standard.
Who were the scientists on the USA Baseball Bat Study Committee?
Alan Nathan, Ph.D., Professor Emeritus of Physics at the University of Illinois
Dan Russell, Ph.D. Professor of Acoustics at Penn State University
Glenn Fleisig, Ph.D. Research Director of American Sports Medicine Institute
Is safety the reason for the change?
No. Youth baseball continues to be one of the safest of all sports for youth participants.
How will I know which bat to buy?
All new bats that bear the USABat licensing mark will be permissible for play in the leagues and tournaments of the participating youth baseball organizations.