NEW YORK (AP) — Alfonso Márquez is working his seventh League Championship Series, serving as a crew chief along with James Hoye.

Ryan Additon, Ben May, Adam Beck and John Libka are working the LCS for the first time, Major League Baseball said Sunday.

Márquez will umpire the Toronto Blue Jays' series against the Seattle Mariners starting Sunday. Hoye, umping his fifth LCS, will head the NL matchup between the Milwaukee Brewers and defending champion Los Angeles Dodgers starting Monday.

Seven-man crews will work each series, with one umpire off each game.

Additon will be behind the plate for the AL opener, with May at first, Márquez at second, Marvin Hudson at third, D.J. Reyburn in left, Quinn Wolcott in right and Doug Eddings as the reserve umpire.

Eddings will work the plate in Gam

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