South Carolina coach Steve Spurrier wasn’t happy with his team’s offensive showing on Saturday. Then again, it’s usually difficult to move the ball against Gameoccks All-American Jadeveon Clowney. The South Carolina junior defensive end had two sacks — at least two other potential sacks were credited as incompletions — in the two-hour workout at Williams-Brice Stadium, a week after sitting out a scrimmage with a bruised shoulder.