Matt Cain gave up a career-worst 23 home runs last season. And in his second start of 2014, he had similar problems keeping the ball in the park against the Los Angeles Dodgers.San Francisco Giants' Hunter Pence watches his home run in the sixth inning of a baseball game against the Los Angeles Dodgers on Sunday, April 6, 2014, in Los Angeles.San Francisco Giants starting pitcher Matt Cain wipes his face after Los Angeles Dodgers' Matt Kemp hit a two-run home run in the fourth inning of a baseball game Sunday, April 6, 2014, in Los Angeles.Los Angeles Dodgers' Adrian Gonzalez, left, congratulates Matt Kemp, center, after Kemps two-run home run, as San Francisco Giants catcher Buster Posey stands at the plate in the fourth inning of a baseball game Sunday, April 6, 2014, in Los Angeles. It was Kemp's second home run of the game.Los Angeles Dodgers' Hanley Ramirez hits a solo home run in the eighth inning, his second of the baseball game against the San Francisco Giants on Sunday, April 6, 2014, in Los Angeles. The Dodgers won 6-2.