Orioles right-hander Justin Duchscherer was unable to throw a simulated game Sunday because of discomfort in his left hip, putting his place in the starting rotation in doubt. Duchscherer signed with the Orioles as a free agent last month, but the hip injury has limited him to one appearance, two scoreless innings against Philadelphia on Tuesday. Read more: http://sports.espn.go.com/mlb/spring2011/news/story?id=6212374