Seattle, leading 3-0 from remaining week's first leg at domestic, advanced to a semi-final meeting with fellow MLS side New York City FC after securing a 1-1 draw in Thursday's 2d leg at the Estadio Leon.
Colombian veteran Fredy Montero correctly killed the tie off on the stroke of 1/2-time, making no mistake from the penalty spot after Leon's William Tesillo upended Sounders midfielder Joao Paulo in the container.
That away intention intended Leon could want to attain 5 2nd-half of desires to overturn their aggregate deficit, a mission that by no means regarded likely towards a nicely-organised Seattle defence.
Leon grabbed a past due consolation purpose with a thumping header from Fidel Ambriz in harm time.Â
Either Seattle or New York City becomes the modern day US crew to try to quit MLS's 22-yr drought within the CONCACAF Champions League, the best membership match for groups from Central America, North America and the Caribbean.
The last MLS team to boost the title had been Los Angeles Galaxy in 2000.
Mexican golf equipment have dominated the tournament in the years due to the fact that, winning in every version of the match due to the fact that 2006.Â
Two Mexican groups, Pumas UNAM and Cruz Azul, will contest the other semi-final of this yr's match.
