|Philadelphia Union (4-4-2): MacMath; Williams, Okugo, Parke, Fabinho; Le Toux, Carroll, Farfan, Cruz; McInerney, Casey.
QUESTIONABLE: Conor Casey (illness), Kleberson (R quad strain), Michael Lahoud (sports hernia surgery)
|Portland Timbers (4-3-3): Ricketts; Jewsbury, Jean-Baptiste, Danso, Harrington; Nagbe, Chara, Zemanski; Valeri, Johnson, Alhassan.
OUT: Bright Dike (ACL surgery), Jake Gleeson (concussion), David Horst (R tibia plateau surgery), Brent Richards (L ACL surgery), Mikael Silvestre
(ACL surgery), Dylan Tucker-Gangnes (concussion)
- Union leading scorer Jack McInerney returns to the Philadelphia squad following a stint with the U.S. national team in the group stage of the CONCACAF Gold Cup. He did not see any minutes.
- Philadelphia's 32 goals scored ties the Union for the best offensive record in Major League Soccer, putting the Zolos on par with Real Salt Lake and the Vancouver Whitecaps.
- Portland has lost just two games this season, the fewest in MLS.
- In the only match between these two last season, the Timbers took an opening-day 3-1 win over the visiting Union on March 12. Kalif Alhassan had a goal and an assist.
- Sports & Recreation
- Philadelphia Union
- Michael Lahoud
- ACL surgery
- Conor Casey