… Oakland’s most gut-wrenching defeat also came against Detroit. Remarkably, it also featured a Scott Kazmir vs. Anibal Sanchez pitching matchup, just like that May 28 thriller at the Coliseum. But the Tigers turned the tables in this June 30 contest at Comerica Park, as former Athletic Rajai Davis hit a walk-off grand slam off Sean Doolittle to erase a 4-1 A’s lead. It was shocking from the standpoint of how automatic Doolittle typically has been this season. And, adding a little salt in the wound, was that it came off the bat of Davis, an ex-teammate and speedburner who usually does his damage with his legs.