Forgotten milestone: MLB's first Black umpire took the field for Cleveland Indians game
Emmett Ashford
Umpire (baseball) - Wikipedia
National Baseball Hall of Fame and Museum ⚾ on Twitter: The Hall of Fame continues our celebration of #BlackHistoryMonth with a tribute to pioneering umpire Emmett Ashford. Stay tuned for more pieces
Who is the most famous umpire in MLB history? - Quora
CALLED UP: The Emmett Ashford Story – Documentary
highlights Archives - NBC Baseball
Emmett Ashford - Wikipedia
The History of Umpiring