Iassogna will be World Series umpire crew chief

James Hoye to head ALCS umpires; Dan Iassogna in charge of NLCS - ESPN

ALCS umpires named for Lone Star Series between Rangers, Astros – NBC 5 Dallas-Fort Worth

AP sources: MLB umpire tests positive for virus, crews shift, Taiwan News

Major League Umpires

Iassogna will be World Series umpire crew chief, The Latest from WDEL Sports

Blue Jays manager John Gibbons making a run at club record for ejections - The Globe and Mail

Phillies, Nationals, umpire Dan Iassogna discuss obstruction call

Phillies: 2008 World Series umpire Kerwin Danley promoted

Here are the umpires for the World Series : r/baseball

MLB appoints 1st black umpire crew chief

Searching for sticky stuff: MLB umps start checking pitchers

MLB appoints 1st black umpire crew chief

World Series umpire crew not much older than Justin Verlander

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