Iassogna will be World Series umpire crew chief
MLB sets umpiring crew for Astros-Dodgers World Series
Dom Amore: From Andy Baylock's intro course in umpiring at UConn, Jim Reynolds, Dan Iassogna have risen to rank of MLB crew chief – Hartford Courant
Carlson, Márquez, Miller and Tichenor will be the umpire crew chiefs for MLB Division Series, MLB
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