Washington Nationals third baseman Ryan Zimmerman continues to deal with an ailing right shoulder that's affecting his swing. His average has plummeted to .218 and he has just 13 extra-base hits on the season. (AP Photo/Gene J. Puskar)

Photo by: Gene J. Puskar

Washington Nationals third baseman Ryan Zimmerman continues to deal with an ailing right shoulder that's affecting his swing. His average has plummeted to .218 and he has just 13 extra-base hits on the season. (AP Photo/Gene J. Puskar)