Time: 8:23 p.m. EDT
Venue: PPL Park, Chester, Pa.
TV: NBC Sports Network (John Strong, Kyle Martino and Russ Thaler, on air at 8:00 p.m.)
What else is there to say except that this game is a must-win?
Philadelphia Union (4-1-3-2, left to right)
Goalkeeper: Zac MacMath
Defenders: Fabinho, Jeff Parke, Amobi Okugo, Sheanon Williams
Midfielders: Brian Carroll (c); Sébastien Le Toux, Keon Daniel, Danny Cruz
Forwards: Conor Casey, Jack McInerney
Bench: GK Chris Konopka; D Matt Kassel; Ms Michael Farfan, Michael Lahoud, Kléberson; Fs Antoine Hoppenot, Aaron Wheeler
D.C. United (4-2-3-1, left to right)
Goalkeeper: Bill Hamid
Defenders: Taylor Kemp, Chris Korb, Ethan White, James Riley
Midfielders: Conor Shanosky, Perry Kitchen; Jared Jeffrey, Collin Martin, Kyle Porter
Forwards: Conor Doyle
Bench: GK Joe Willis; Ds Dejan Jakovic, Daniel Woolard; Ms Dwayne De Rosario, Michael Seaton, John Thorrington
Referee: Hilario Grajeda
Linesmen: Bill Dittmar (bench side), James Conlee (far side)
Fourth Official: Kevin Terry, Jr.
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