Are Baseball Umpires Racist? - TIME
Petition · Fire MLB Umpire Angel Hernandez - We Can't Continue Letting Him Ruin the Sport ·
The Legal Ramifications of Racist Umpiring - Beyond the Box Score
Umpire Angel Hernandez worried about retaliation from MLB if he speaks out about discrimination suit
Gil Hodges: A Man for All Baseball Seasons
MLB Umpires Missed 34,294 Pitch Calls in 2018. Time for Robo-umps?, BU Today
THE PRIVATE WORLD OF THE NEGRO BALLPLAYER - Sports Illustrated Vault
Angel in the Infield - Baseball ProspectusBaseball Prospectus
Hernandez loses racial discrimination suit against MLB - TheGrio