Quoted from the PONY Baseball Rulebook
T-3 LEGAL PLAYERS
B. Tournament team players shall be required to wear an official tournament team emblem, sewn or ironed on the right sleeve or right part of vest (chest area) of the uniform, when participating in tournament play at all levels. Same team members must wear patches in the same location. These emblems are available through PONY Baseball.
Quoted from the PONY Girls Softball Rulebook
TOURNAMENT PLAY RULES FOR LEAGUE TEAMS
SECTION 4
d. Managers, Coaches, and players on Tournament Teams are required to wear an official Tournament Team Emblem when participating in tournament play at all levels. The Tournament Team Emblem will be worn on the right sleeve, or, if sleeveless, on the upper chest area of the jersey, on the front pant/shorts, or on a wrist band that is worn on the glove hand. Emblems must be placed in the same location on all players and coaches. These emblems are available through PONY Headquarters only. Tournament Team Emblems MUST be securely fastened to the uniform or wrist band. Staples and pins are not acceptable.
You can purchase emblems on PONY Baseball and Softball's Store.