Washington Nationals' right fielder Jayson Werth holds his left wrist as he walks off the field with assistant athletic trainer Mike McGowan after a play on Philadelphia Phillies' Placido Polanco's fly ball in the sixth inning of their baseball game at Nationals Park, Sunday, May 6, 2012, in Washington. The Phillies defeated the Nationals 9-3. (AP Photo/Richard Lipski)

Photo by: Rich Lipski

Washington Nationals' right fielder Jayson Werth holds his left wrist as he walks off the field with assistant athletic trainer Mike McGowan after a play on Philadelphia Phillies' Placido Polanco's fly ball in the sixth inning of their baseball game at Nationals Park, Sunday, May 6, 2012, in Washington. The Phillies defeated the Nationals 9-3. (AP Photo/Richard Lipski)