Umpire Abbreviations and Acronyms

1. MLUA
   Minnesota Lacrosse Umpires Association
2. OBR
   Official Baseball Rules
3. OSTU
   Off Season Texas Umpires
4. PBUC
   Professional Baseball Umpires Corporation
5. UDRS
   Umpire Decision Review System
6. UDRS
   Umpires Decision Review System
7. UDRS
   Umpire Decision Referral System
8. UDRS
   Undergraduate Department Representatives
9. URDS
   Umpire Decision Review System
10. WUA
    World Umpires Association

Last updated: January 4, 2020 — Total entries: 10