Left-hander J.A. Happ has left the Houston Astros' exhibition game against Triple-A Oklahoma City with a strained right oblique muscle. Happ allowed two runs and four hits in three innings before departing with the injury on Tuesday night. He says he still is planning to start Sunday against Roy Oswalt and the Philadelphia Phillies. Read more: http://sports.espn.go.com/mlb/spring2011/news/story?id=6271829
