When, where: Saturday, 4 p.m., Gillette Stadium.
TV, radio: CSN, WBZ-FM (HD 2).
Records: D.C. United, 1-2-2; Revolution, 2-3-0.
Formations: D.C. United, 4-3-1-2; Revolution, 4-4-2.
Goalkeepers: D.C. United, Joe Willis; Revolution, Matt Reis.
Coaches: D.C. United, Ben Olson; Revolution, Jay Heaps.
Referee: Jorge Gonzalez.
Keys to game: D.C. United - Playing through Dwayne De Rosario; Revolution - Make up for loss of Shalrie Joseph.
Out: D.C. United - Ethan White (knee), Lance Rozeboom (ACL); Revolution - Zak Boggs (ankle), Sainey Nyassi (hamstring).