Iassogna will be World Series umpire crew chief

MLB appoints 1st black umpire crew chief

UConn alum learned his umpiring skills from Andy Baylock

MLB appoints first black and Latino-born umpire crew chiefs

Phillies, Nationals, umpire Dan Iassogna discuss obstruction call

Carlson, Márquez, Miller and Tichenor will be the umpire crew

Dan Iassogna - Wikipedia

Umpire ejects Realmuto after bizarre game ball exchange - WHYY

Umpire Pat Hoberg didn't miss a single call in Game 2

555 Dan Iassogna Umpire Photos & High Res Pictures - Getty Images

MLB umpire retirements, promotions

Openly gay baseball umpire Dale Scott is happy his story became a

Blue Jays manager John Gibbons making a run at club record for

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