Jordan Morris scored in the 109th minute and Stefan Frei made nine saves to lead Seattle to a stunning 2-1 overtime victory over top-seeded Los Angeles FC in a Western Conference semifinal at BMO Stadium,

The game-winning goal in extra time was a 2-1 Western Conference semifinal upset. The fourth-seeded Sounders advance to the conference final next week. They will play the winner of Sunday’s semifinal between No. 2 seed LA Galaxy and No. 6 seed Minnesota United.

It wasn’t pretty, but Jordan Morris came up big in the right spot for the Seattle Sounders. The Western Conference semifinal between Seattle and hosts Los Angeles FC had been a cagey affair. Regulation wasn’t enough to settle a rivalry deadlock,

New York Red Bulls rode on two early goals to beat rivals New York City while Seattle Sounders struck in extra time to knock out LAFC.

For the first time in their 10-year Hudson River Derby history, New York City FC and the New York Red Bulls will square off in the MLS Cup Playoffs.

The New York Red Bulls posted a 2-0 victory over New York City FC in an Eastern Conference semifinal on Saturday night.