BatRules

MBA Bat Rules

MBA has aligned with nearby leagues such as Orinda, the 680 Diablo League and others to allow EITHER bats with the new USA Bat stamp or the USSSA 1.15 stamp. Bats utilized can conform to either standard.

Pinto Division (7U-8U)

2 ¼" barrel with the USA Bat Stamp OR USSSA 1.15 Bat Stamp Visible

 

Mustang Division (9U-10U)

2 ¼" & 2 ⅝" are allowed with USA Bat Stamp OR USSSA 1.15 Stamp Visible.

 

Bronco Division (11U-12U) Mavericks/680 Diablo League:

2 ¼, 2 ⅝ & 2 3/4" barrels are allowed with USA Bat Stamp, USSSA 1.15 Stamp, OR BBCOR(-3) Stamp.  There are no restrictions to the length to weight differential, but MBA recommends -10/-11 for 11U and -8 for 12U.  *MBA does not recommend using BBCOR bats at the Bronco level.

 

Bronco Division (11U-12U) Premier/Morindamont League:

No greater than 2 5/8" barrel are allowed with USA Bat Stamp OR USSSA 1.15 Stamp Visible.  There are no restrictions to the length to weight differential, but MBA recommends -10/-11 for 11U and -8 for 12U.

 

Pony Division (13U-14U) Mavericks/680 Diablo League:

13U:  No greater than 2 5/8" barrel with a -5 or -3 drop, and either a USSSA 1.15 stamp or BBCOR stamp.

14U:  No greater than 2 5/8" barrel BBCOR -3 bat with BBCOR stamp.

 

Pony Division (13U-14U) Premier/Morindamont League:

No greater than 2 5/8" barrel are allowed with either a USA Bat Stamp, USSSA 1.15 stamp, or BBCOR stamp.  There are no restrictions on the length to weight differential but MBA recommends -8/-5 for 13U and -5/-3 for 14U.