Racing PositionsIf the Mariners land a star, all their other moves might finally make sense8YDavid SchoenfieldBoogfest! A's OF homers to namesake's BBQ9YPowell makes A's debut after asthma scare9YMariners trade for A's Alonso for stretch run9YMariners activate Haniger after stint on DL9YESPN.com news servicesM's Powell makes MLB debut -- without batting9YMariners place Scribner on DL, call up Powell9Y