Game Info
- Date: October 1, 2017
- Time: 1:00 PM
- Place: Talen Energy Stadium, Chester, PA
- Television: ESPN - Adrian Healey and Taylor Twellman, Reporter: Julie Stewart-Binks
- All-Time Record: Philadelphia Union have 3 wins, 4 losses, and 2 draws against Seattle Sounders
Starting XI
- Philadelphia Union: Andre Blake; Fabinho, Richie Marquez, Jack Elliott, Ray Gaddis; Haris Medunjanin, Alejandro Bedoya; Fafa Picault, Ilsinho, Chris Pontius; C.J. Sapong
- Seattle Sounders: Stefan Frei; Nouhou Tolo, Tony Alfaro, Chad Marshall, Kelvin Leerdam; Jordy Delem, Gustav Svensson; Joevin Jones, Cristian Roldan, Nicolas Lodeiro; Will Bruin
Bench
- Philadelphia Union: John McCarthy, Oguchi Onyewu, Giliano Wijnaldum, Roland Alberg, Derrick Jones, Marcus Epps, Jay Simpson
- Seattle Sounders: Tyler Miller, Oniel Fisher, Aaron Kovar, Harry Shipp, Clint Dempsey, Lamar Neagle, Henry Wingo
Injuries
Philadelphia Union
- Out: Ken Tribbett
- Questionable: Maurice Edu, Fabian Herbers, Ilsinho, Aaron Jones, Josh Yaro
Seattle Sounders
- Questionable: Osvaldo Alonso, Roman Torres
Officials
Referee: Alan Kelly
Assistant: Danny Thornberry
Assistant: Eric Boria
Fourth: Marcos DeOliveira
Video Assistant Referee: Fotis Bazakos