San Diego FC (19-9-6, first in the Western Conference during the regular season) vs. Portland Timbers (11-12-11, eighth in the Conference during the regular season) Portland, Oregon; Saturday, 9:30 p.m. EDT BETMGM SPORTSBOOK LINE: San Diego +143, Portland +154; over/under is 3.5 goals BOTTOM LINE: The Portland Timbers host San Diego FC in the Western Conference finals. The Timbers are 10-10-11 against Western Conference opponents. The Timbers rank eighth in the MLS drawing 173 corner kicks, averaging 5.1 per game.