defeating the Oakland Athletics with a walk-off home run in the ninth inning in front of a sold-out crowd at T-Mobile Park. Seattle Sounders FC won the U.S. Open Cup in the team's inaugural season of 2009. The Sounders won the U.S. Open Cup again in 2010, becoming the first MLS team to achieve back-to-back U.S. Open Cup Titles. Seattle continued its U.S. Open Cup dominance in the 2011 campaign, becoming the fourth team ever to win the tournament in three consecutive years (the last being the Greek American AA in 1967–69). The Sounders beat the Chicago Fire 2–0 in front of a then record-setting MLS crowd of 35,615 at CenturyLink Field (now Lumen Field) on October 4, 2011. On September 16, 2014, the Sounders captured their fourth U.S. Open Cup title, overcoming the Philadelphia Union – on the Union's home pitch – in extra time by a final score of 3–1. On October 25, 2014, in front of a crowd of 57,673 at CenturyLink Field, the Sounders topped the LA Galaxy by a score of 2–0 to claim their first MLS Supporters' Shield. The Sounders captured their first Western Conference title when they defeated the Colorado Rapids by an aggregate score of 3–1 on November 27, 2016, in Commerce City, Colorado. Then, on December 10, 2016 in front of a crowd of 36,000 at BMO Field, the Sounders won their first MLS Cup against Toronto FC in a penalty shootout by a score of 5–4. The following season - on December 9, 2017 - the Sounders returned to the MLS Cup against Toronto FC (held again at BMO Field). This time, the Sounders lost the Cup to the home team by a score of 0–2. On November 10, 2019, the Sounders played in their third MLS Cup against Toronto FC, winning 3–1 to achieve their second title with a club-record home attendance of 69,274. On May 4, 2022 - in front of a home crowd of 68,751 - the Sounders became the first MLS team to win the 2022 CONCACAF Champions League, defeating Mexican side Pumas UNAM with an aggregate score of 5 goals to 2. In 2014 – the second regular season of the U.S. National Women's Soccer League – Seattle Reign FC (known as OL Reign after being acquired by the ownership group of Olympique Lyonnais) attained the highest season point total of all nine league teams