Looking desolate, Lionel Messi sat on the ground and slowly began rolling down his socks, knowing his night was over. Barcelona fans in the stands could not hide their apprehension, sensing the team's biggest star was in trouble. Messi had just pulled a muscle in Barcelona's 1-1 draw against Atletico Madrid at the Camp Nou on Wednesday, and tests showed he will be sidelined for three weeks with a groin strain. More...