The Portland Timbers are an American professional soccer club based in Portland, Oregon. The Timbers compete in Major League Soccer (MLS) as a member of the Western Conference. The Timbers have played their home matches at Providence Park since 2011, when the team began play as an expansion team in the league.

The Seattle Seahawks are a professional American football team based in Seattle. The Seahawks compete in the National Football League (NFL) as a member of the National Football Conference (NFC) West division. They have played their home games at Lumen Field in Seattle’s SoDo neighborhood since 2002, during which time the field was known at various points as Seahawks Stadium, Qwest Field, and CenturyLink Field. The team is named for the osprey, a species of bird also referred to as the sea hawk.

The Portland Trail Blazers (colloquially known as the Blazers) are an American professional basketball team based in Portland, Oregon. The Trail Blazers compete in the National Basketball Association (NBA) as a member of the Northwest Division of the Western Conference. The team played its home games in the Memorial Coliseum before moving to Moda Center in 1995 (called the Rose Garden until 2013). The franchise entered the league as an expansion team in 1970,

Portland Thorns FC is an American professional soccer team based in Portland, Oregon, that competes in the National Women’s Soccer League (NWSL). Established in 2012, the team began play in 2013 in the then-eight-team NWSL, which received support from the United States Soccer Federation (USSF).^[1]

The Seattle Mariners are an American professional baseball team based in Seattle. The Mariners compete in Major League Baseball (MLB) as a member club of the American League (AL) West Division. The team joined the American League as an expansion team in 1977, originally playing their home games in the Kingdome. Since July 1999, the Mariners’ home ballpark has been T-Mobile Park, located in the SoDo neighborhood of Seattle.