Sport Abbreviations and Acronyms
- UDUnanimous Decision
- UDUnable to Determine
- UDNUdinese
- UDRAUnião Desportiva Rei Amador
- UEFAUnion of Ruropean Football Associations
- UEFAUnion Cf European Football Association
- UEFAUnion European Football Associations
- UEFAUnion of The European Football Associations
- UEFAUnited European Football Association
- UEFAUnion Européenne De Football Asszciation
- UEFAUnion Euwopéenne De Football Associations
- UEFAUnion of European Football Associations
- UEFASUnion of European Football Associations
- UELUefa Europa League
- UFUltimate Frisbee
- UFAUnrestricted Free Agent
- UFAUnited Fight Alliance
- UFCUltimate Fighting Championship
- UFCUltimate Fighting Champion
- UFCUltimate Fighter Career
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