Washington Nationals' relief pitcher Craig Stammen pitches against the Chicago Cubs during their baseball game at Nationals Park, Wednesday, Sept. 5, 2012, in Washington. (AP Photo/Richard Lipski)

Photo by: Richard Lipski

Washington Nationals' relief pitcher Craig Stammen pitches against the Chicago Cubs during their baseball game at Nationals Park, Wednesday, Sept. 5, 2012, in Washington. (AP Photo/Richard Lipski)