A week ago, the first-place New York Yankees came to the West Coast on a roll. They were scoring more than enough runs to support their starters and winning by comfortable margins. They are headed home to the Bronx in a June skid, emotionally and physically spent from the California heat, long games and losing so many close ones. Khris Davis hit a go-ahead two-run homer in the third that held up to back rookie Jharel Cotton's first victory since May 4, and the Oakland Athletics completed a four-game sweep of the slumping Yankees with a 4-3 win Sunday. read more http://www.espn.com/mlb/recap?gameId=370618111