Seattle Sounders at Philadelphia Union starting lineup: Head Coach Brian Schmetzer rotates squad, employs 5-3-2 formation

The Seattle Sounders are taking on the Philadelphia Union on Saturday (4:30 p.m. PT; JOEtv, YouTube TV, 950 KJR AM, El Rey 1360 AM) at Talen Energy Stadium in Chester, Penn. Here is the Delta Starting XI:

NOTES:

- Head Coach Brian Schmetzer has rotated his squad and is employing a 5-3-2 formation, a shift from his usual 4-3-2-1.

- Jonathan Campbell makes his Sounders debut at center back with Romàn Torres and Kim Kee-hee, while Saad Abdul-Salaam and Nouhou replace Kelvin Leerdam and Brad Smith, respectively, at fullback.

- Alex Roldan makes his first start of the 2019 MLS regular season.

- Will Bruin makes his first start since April 13 against Toronto FC, when he scored twice in a 3-2 win.

- Chad Marshall (right knee inflammation), Gustav Svensson (left hamstring strain), Víctor Rodríguez (left hamstring strain) and Jordan Morris (right hamstring strain) all remained in Seattle.