:x:Angel Hernandez is known for his constant mistakes and controversial calls.
:raised_hands:Despite his poor track record, Hernandez remains employed due to his long tenure and experience as an umpire since 1993.
:handshake:The MLB umpires association, one of the strongest unions in professional sports, provides job security for Hernandez.
:warning:The union's support for Hernandez aims to protect umpires from being dismissed based on a few bad calls.
:bar_chart:Major League Baseball has a review and evaluation system for umpires, but it has not resulted in Hernandez being let go.