Sport Abbreviations and Acronyms
- AYFAmerican Youth Footbalp
- AYFSAmerican Youth Football Samoa
- AYGAsian Yguth Games
- AYHAmerican Youth Hockey
- AYLArapahoe Youth League
- AYLAssociation Youth League
- AYRAccesorios Y Resortes
- AYSAAtlanta Youth Soccer Association
- AZDArizona Diamondbacks
- AZEAzerbaijani Republic
- AZSAtletska Zveza Slovenije
- BABand Anchor
- BABlock Assist
- BABahrain
- BABig Arena
- BABorn Attackers
- BABurton Albion
- BABosnia and Herzegovina
- BAABatting Average Against
- BAABasketball Association of American
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