D.C. United's Lionard Pajoy, left, collides with Houston Dynamo's Andre Hainault (31) during the first half of an MLS Eastern Conference Championship soccer game, Sunday, Nov. 11, 2012, in Houston. (AP Photo/David J. Phillip)
D.C. United's Lionard Pajoy, left, collides with Houston Dynamo's Andre Hainault (31) during the first half of an MLS Eastern Conference Championship soccer game, Sunday, Nov. 11, 2012, in Houston. (AP Photo/David J. Phillip)
D.C. United's Lionard Pajoy, left, collides with Houston Dynamo's Andre Hainault (31) during the first half of an MLS Eastern Conference Championship soccer game, Sunday, Nov. 11, 2012, in Houston. (AP Photo/David J. Phillip)
D.C. United's Hamdi Salihi, left, pushes past Houston Dynamo's Andre Hainault (31) during the second half of an MLS soccer match Saturday, May 12, 2012, in Houston. The Dynamo won 1-0. (AP Photo/Pat Sullivan)
D.C. United's Hamdi Salihi, left, pushes past Houston Dynamo's Andre Hainault (31) during the second half of an MLS soccer match Saturday, May 12, 2012, in Houston. The Dynamo won 1-0. (AP Photo/Pat Sullivan)
