The impact of temperature on labor quality: Umpire accuracy in Major League Baseball - Fesselmeyer - 2021 - Southern Economic Journal - Wiley Online Library
2014-2023 MiLB Umpire Rosters and All-Star Game Umpires
1999-2023 MLB Umpire Rosters, Post Season and All Star Game Crews
1999-2023 MLB Umpire Rosters, Post Season and All Star Game Crews
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1999-2023 MLB Umpire Rosters, Post Season and All Star Game Crews
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1999-2023 MLB Umpire Rosters, Post Season and All Star Game Crews
Stevetheump.com
MLB umpiring promotions for 2023
1999-2023 MLB Umpire Rosters, Post Season and All Star Game Crews
2023 MLB All-Star pitchers, reserves, complete rosters
1999-2023 MLB Umpire Rosters, Post Season and All Star Game Crews