PORTLAND – Robbie Findley’s first-half goal put a comeback out of reach for the Portland Timbers and Real Salt Lake advanced to the MLS Cup with a 1-0 victory on Sunday night for a 5-2 aggregate advantage in Major League Soccer’s Western Conference final.

Salt Lake took a 4-2 lead two weeks earlier at Rio Tinto Stadium in the opener of the two-leg, home-and-home series.

RSL, which won the league championship in 2009, will play Sporting Kansas City for this season’s title on Dec. 7 in Kansas City, Kan.

Sunday’s victory extended Salt Lake’s unbeaten streak against Portland to 10 matches.

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The Timbers remain winless against Salt Lake since their first meeting when Portland joined MLS in the 2011 season.

“It’s a good win for the team,” said Findley, who scored off a rebound in the 29th minute.

“I think everybody put in the hard work, and when you have that, when you have all the guys committed to working hard and doing their jobs, you win games. We feel good right now, but we have one more to go.”

The Timbers were looking to become the first MLS team in nine years to come back from a two-goal shortfall in the second match of an aggregate-goals series.

Portland, which had an 18-7 advantage in shots, had two apparent goals nullified by officials in the first 33 minutes.