 Kershaw started the 2010 season by posting a 3.07 ERA in April, but did so by walking 22 batters in 29 innings.On May 4, he had his worst start of his career against the Milwaukee Brewers at Dodger Stadium, throwing just 57 pitches in 1 innings, while retiring only four of the 13 batters he faced—including the pitcher.He was booed loudly upon being pulled from the game.