The Los Angeles Dodgers could be without Clayton Kershaw for the start of the season as the staff ace begins to rebuild from shoulder soreness that caused him to shut down his spring training. Dodgers manager Dave Roberts said “that’s fair” when asked Monday whether his opening-day starter would be unavailable in just over three weeks. The Dodgers open against Arizona on March 28. “There’s just way too much importance put on the opening-day roster. The No. 1 thing is for him to be ready and to feel confident physically and mentally,” Roberts said, “and when that is, it is.” […]