Houston Dynamo's Brian Ching (25) battles D.C. United's Perry Kitchen, right, for the ball during the second half of an MLS Eastern Conference Championship soccer game, Sunday, Nov. 11, 2012, in Houston. The Dynamo defeated D.C. United 3-1. (AP Photo/David J. Phillip)

Photo by: David Phillip

Houston Dynamo's Brian Ching (25) battles D.C. United's Perry Kitchen, right, for the ball during the second half of an MLS Eastern Conference Championship soccer game, Sunday, Nov. 11, 2012, in Houston. The Dynamo defeated D.C. United 3-1. (AP Photo/David J. Phillip)