The following leagues shall comply with the ASA/USA bat rules in 2020.
- Only bats that pass through a 2-1/4-inch (5.7150 cm) diameter bat ring are legal. Each bat shall be no more than 2-1/4 inches (5.7150 cm) in diameter at its thickest part, no more than 34 inches (86.360 cm) in length, and not exceed 38 ounces (1077.30 g) in weight.
13U - 18U Slow Pitch:
- USA Baseball Marking
- Under the USABat standard, certified Tee Ball bats (26″ and shorter) must feature the USA Baseball mark and text which reads ONLY FOR USE WITH APPROVED TEE BALLS.
- USA Baseball marking
- 2 5/8” barrel maximum
*Approved Tee Ball bats may be used in coach pitch/machine pitch divisions only with the use of approved tee balls.