MLB Umpires Missed 34,294 Pitch Calls in 2018. Time for Robo-umps?, BU Today
Introducing the worst umpire in baseball: Angel Hernandez. Year after
The WORST Umpire In Baseball History
Angel Hernandez's historically-bad 2023 season will live on in infamy
Ángel Hernández: First-base umpire had rough night in ALDS Game 3 - Sports Illustrated
Angel Hernandez Is Still the Worst Umpire in MLB History
The WORST Umpire In Baseball History
MLB umpire not victim of discrimination by Joe Torre: judge
Study Finds that Old Men with Experience are Actually the Worst MLB Umpires - FanBuzz
Angel Hernandez just won't stop making terrible calls