Bud Black has a pretty good idea why the San Diego Padres are off to another slow start. The veteran manager also knows it will get a lot rougher for his ballclub if things don't change soon.San Diego Padres starting pitcher Robbie Erlin throws against the San Francisco Giants in the first inning of a baseball game Wednesday, April 30, 2014, in San Francisco.San Francisco Giants' Michael Morse hits an RBI single off San Diego Padres starting pitcher Robbie Erlin in the first inning of a baseball game Wednesday, April 30, 2014, in San Francisco.San Francisco Giants starting pitcher Tim Hudson throw against the San Diego Padres in the first inning of a baseball game Wednesday, April 30, 2014, in San Francisco.San Francisco Giants' Brandon Hicks, right, circles the bases after hitting a home run off San Diego Padres starting pitcher Robbie Erlin in the second inning of a baseball game Wednesday, April 30, 2014, in San Francisco. At left is Giants third base coach Tim Flannery.