D.C. United midfielder Kyle Porter, left, battles for the ball against Philadelphia Union midfielder Keon Daniel (26) during the second half of an MLS soccer game on Sunday, April 21, 2013, in Washington. The Union won 3-2. (AP Photo/Nick Wass)

Photo by: Nick Wass

D.C. United midfielder Kyle Porter, left, battles for the ball against Philadelphia Union midfielder Keon Daniel (26) during the second half of an MLS soccer game on Sunday, April 21, 2013, in Washington. The Union won 3-2. (AP Photo/Nick Wass)