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Bat Rules
New Bat Rules (Baseball Only): Pinto through Pony  - Illegal...
Open Board Positions
We currently have the following board member positions open for the...
Bat Rules

New Bat Rules (Baseball Only): Pinto through Pony  - Illegal Bat rule

P.O.N.Y sanctioned leagues such as MBSA have adopted to the new bat rules which state that all bats being used in boys baseball from Pinto level up to Pony level must now be stamped with the USA stamp which can be found on the bat just above the bat handle area or the barrel of the bat. In addition no bat can have a barrel measuring greater than 2 5/8”. The older bats that were used in the past that were marked or stamped USSSA BPF 1.15 are now considered illegal bats.

Following are examples of what will occur in a game if a batter is found with an illegal bat:

  1. If a batter gets on base using an illegal bat (NOT MARKED WITH THE USA STAMP), and the opposing team brings it to the attention of the umpire BEFORE the next pitch is thrown, the batter will be considered as an automatic out, and if any runners had advanced or scored as a result of the at bat, the runners will then be sent back to the bases they had previously occupied.
  2. If a batter strikes out or makes any type of out while using the illegal bat, the opposing team would in that situation NOT appeal to the umpire, and the batter would be out.
  3. If a batter was up to bat using an illegal bat, and the count was 1-1 for example, and the opposing manager came out to appeal to the umpire, the batter would still bat with the 1-1 count and would have to get a legal bat to continue his at bat in that situation.

NOTE: We are recommending and encouraging each manager to let all parents know of this rule change for SAFETY REASONS, and to make sure their son does not use or bring an illegal bat to their games. Also each manager should check each players bat prior to the game to also make sure they are stamped with the USA bat stamp


by posted 06/10/2019
Open Board Positions

We currently have the following board member positions open for the 2018-2019 term.

  • Team Parent Coordinator

If you are interested, please come to our next board meeting on Tuesday, July 9th @ 8pm at the Mokena VFW (downstairs).

Please contact Jason Zimmer at with any questions regarding the open board positions.

by posted 06/05/2019
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MBSA’s mission is to provide a first class baseball and softball organization for the youth of all talents in the Mokena community. The mental, physical and social development in baseball and softball as well as teaching life lessons in sportsmanship and teamwork are top priorities. Through remarkable baseball and softball experiences that create lifetime memories, MBSA’s goal is to contribute to positive youth development in the community and to inspire kids to be outstanding athletes and excellent baseball and softball players.

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MBSA Address
Mokena Baseball / Softball Association
Attn: Treasurer
PO Box 572
Mokena, IL 60448
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