SEATTLE — The Seattle Mariners will be without ace right-hander Bryan Woo for their AL Division Series against the Detroit Tigers. Woo, 25, has missed the last two weeks with pectoral inflammation. He was a first-time All-Star this season, going 15-7 with a 2.94 ERA and 198 strikeouts across 186 ⅔ innings.

Rookie Ben Williamson — who hasn’t appeared in a game for Seattle since being demoted to Triple-A Tacoma in late July — was added to the Mariners’ 26-man playoff roster. Fellow rookie Harry Ford also made the roster, giving the Mariners three catchers.

The Mariners could be without first baseman Josh Naylor for a few days. His wife has hit her due date with the couples first child. Geno Suárez has been practicing at first base, just in case Naylor needs to leave.

The Tigers kept rig

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