 Injuries to key players were a concern for both teams in the buildup to the final. For Seattle, midfielder Mauro Rosales's knee was injured and he did not recover in time for the final. Also, Sounders FC defender James Riley was recovering from a concussion. He practiced in the week prior to the final and started in the match. For Chicago, midfielder Sebastian Grazzini was a key player who was questionable before the match. Grazzini began the game on the bench for Chicago.
