Trevor Story has been tinkering with his swing to break out of a slump. He just might be on to something. Story hit his first career grand slam and Charlie Blackmon lined an inside-the-park homer as part of a six-run fourth inning, helping the Colorado Rockies beat Johnny Cueto and the San Francisco Giants 6-5 on a rainy Friday night. Read more http://www.espn.com/mlb/recap?gameId=370421127