LOS ANGELES >> There are no big steps with Clayton Kershaw these days, only small ones. He isn't pitching for the Dodgers this week, or next week, or even putting a timeline on a minor league rehab assignment.Kershaw is, however, throwing a baseball again. The left-hander played catch from flat ground Sunday afternoon at Dodger Stadium for the first time since July 10, when a fateful bullpen session didn't go as well as the Dodgers had hopedThe mildly herniated disc in Kershaw's lower back has put his season in jeopardy.