The Seattle Mariners are a Major League Baseball team and a member of the American League West Division. Nicknamed “the M’s,” the franchise joined the league as an expansion team in 1977. The Mariners have played in Seattle throughout the team’s history. In 2001, the Mariners set an American League record with 116 wins. Some of the most popular players in Mariners history include Ken Griffey Jr., Randy Johnson, and Ichiro Suzuki.