Atlanta United 2 VS Portland Timbers 0. Atlanta United capped their astonishing first two years of existence with a confident 2-0 win over the Portland Timbers in the 2018 MLS Cup. MLS Cup 2018 was the 23rd edition of the MLS Cup, the championship match of Major League Soccer (MLS), which took place on December 8, 2018. It was the final match of the 2018 MLS Cup Playoffs and was contested by Atlanta United FC and the Portland Timbers at Mercedes-Benz Stadium in Atlanta, Georgia. Atlanta United FC are an American professional soccer club based in Atlanta, Georgia that competes in Major League Soccer (MLS) as a member of the league's Eastern Conference. They are the most recent winner of the U.S. Open Cup and Campeones Cup.