Seattle Sounders FC's all-time MLS record encompasses every regular-season, playoff, and cup match since 2009. Over their time in MLS, the club has accumulated hundreds of matches tracked by both the league and the club.
All-time records include wins, losses, draws, goals scored, and goals conceded. These records tell the story of the club's competitive journey. MLS historical data is available through the league's official website and soccer statistics databases.