10 Major League Baseball umpires retire in historic exodus
2011 Major League Baseball All-Star Game - Wikipedia
10 MLB Umpires Retire - Baseball Says Bye to 261 Years of On-Field
Eddie Murphy – Society for American Baseball Research
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MLB Rumors: Ted Barrett & Greg Gibson Among 10 Umpires Retiring
1979: Lou Brock joins the 3,000-hit club, and Rick Hummel is there
Tony Corrente, the longest-tenured active NFL referee, is one of 8
Best Major League Baseball Umpires of All Time
Bobby Cox, Tony La Russa and Joe Torre elected to Hall of Fame
Baseball Umpires in 1921 – Society for American Baseball Research
Sources - 10 MLB umps retiring, most since '99 - ESPN
Gabe Kapler, SF Giants culture are the scapegoats for mediocrity
West High grad takes step up in career behind the plate
Abreu, Alvarez and Altuve power Astros' rout of Rangers in Game 4
MLB will see 10 rookie umps replace veterans as position faces
