On Friday night, Mike Mussina left the game after three innings, experiencing tightness in his right groin.

You may be experiencing tightness, pain, and weakness, especially in the muscles and joints.

He started for the U.S. team, but left in the first inning after experiencing tightness in his hamstring muscle running from the batter's box on an infield single.

Giambi, who played the last two games after experiencing tightness in his left hamstring, batted .260 with three homers and a .406 on-base percentage this spring.

After experiencing tightness in his pitching arm in June 2009, Kontos went on the disabled list in what he thought was a precautionary measure.

After experiencing tightness in his pitching elbow last November during winter league ball in Puerto Rico, Wilson had rested his arm for more than a month.

On July 24, though, he experienced tightness and pain and stopped.

Some people may experience temporary chest pressure or tightness, although this is usually not dangerous.

He was treated with saline and glucose injections after experiencing "an excessively fast heartbeat and tightness in chest," amid slow metabolism.

But Mussina left the game for precautionary reasons after experiencing tightness in his right groin.