In the third inning of San Diego's 7-6 loss to Washington, Adam Dunn crushed a home run -- his second of three on the night -- to left-center field. After an attempt to grab the baseball over the wall, Gwynn landed awkwardly and suffered the injury.
Padres manager Bud Black does not believe the injury to be serious and said its possible Gwynn could pinch-hit Thursday in the series finale.
"He's better," Black said. "We're going to watch him move around here. His indication to me was that it felt much better. So we're going to watch him during batting practice and see if he will be available tonight, which we think he will. That will be more of a game-time decision."