ASA_Softball_LogoThe IJMST follows the rules of USA (formerly ASA) Softball

USA Softball Approved Bats

The official bat for use in USA Softball Championship Play must meet all of the following requirements:

  1. A bat approved for play in our tournament must bear either the ASA approved 2000 certification mark, the ASA 2004 certification mark, or the ASA 2013 certification mark (slow pitch only) as shown below and must not be listed currently on the USA Softball Non-Approved Bat List even if it has these certification marks, and
    ASA_Cert_Stamps
  2. Must be included on the list of approved bat models published by USA Softball, or in the sole opinion and discretion of the umpire, have been manufactured prior to 2000 and if tested, would comply with the ASA bat performance standards then in effect. This includes wooden bats.
  3. Senior bats are not approved for play in this tournament.

If the tournament is testing USA Softball approved bats, all bats must also meet the USA Softball compression specifications and must not be cracked, dented, and show no signs of excessive wear.  Any bat that fails the compression test and/or fails the visual inspection due to its condition, will not be approved for use in this tournament.

For further information on USA Softball bat rules please click the following link:  USA Softball Certified Equipment Information

ASA Non-Approved Bat List with Certification Marks

USA Softball Approved Ball

The official IJMSPT softball will be any 52 COR / 300lb Compression ball approved for championship play by USA Softball.  In the 2019 Detroit tournament we will be using the Dudley Thunder Hycon ZN 52/300 Composite cover softball.

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