The New York Yankees are an American professional baseball team based in the Bronx borough of New York City that competes in Major League Baseball (MLB) in the American League's (AL) East Division. They are one of two MLB clubs based in New York City, the other club being the New York Mets. One of the AL's eight charter franchises, the club was founded in Baltimore, Maryland in 1901 as the Baltimore Orioles. The team moved to New York City in 1903 and became the New York Highlanders, before taking "Yankees" as their official name in 1913. The team is owned by Yankee Global Enterprises, an LLC controlled by the family of George Steinbrenner, who purchased the team in 1973. Former catcher Joe Girardi is the team's manager, and Brian Cashman is the team's general manager. Yankees home games were played at Yankee Stadium from 1923 to 1973 and from 1976 to 2008. In 2009, they moved into a new ballpark also called Yankee Stadium after the previous venue closed. The team is perennially among the leaders in MLB attendance—in 2011, the Yankees had the second-highest attendance. One of the most successful clubs in professional sports history worldwide, the Yankees have won 18 division titles, 40 AL pennants, and 27 World Series championships, all of which are MLB records. Forty-four Yankees players and 11 Yankees managers have been inducted into the National Baseball Hall of Fame, including Babe Ruth, Lou Gehrig, Joe DiMaggio, Mickey Mantle, and Yogi Berra. In pursuit of winning championships, the franchise has utilized a large payroll to recruit talent, particularly under former owner George Steinbrenner. According to Forbes, in 2013, the Yankees are the highest valued sports franchise in the United States, and fourth in the world, with an estimated value of approximately $2.3 billion. Due in part to their success, the Yankees have garnered enormous popularity worldwide and a dedicated fanbase, as well as widespread enmity from fans of other MLB teams; the team's intense rivalry with the Boston Red Sox is one of the most well-known rivalries in sports.

Yankee Stadium

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, 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. The "Mariners" name originates from the prominence of marine culture in the city of Seattle. They are nicknamed the M's, a title featured in their primary logo from 1987 to 1992. They adopted their current team colors – navy blue, northwest green (teal), and silver – prior to the 1993 season, after having been royal blue and gold since the team's inception; the original colors continue to be used in alternate uniforms. Their mascot is the Mariner Moose. The Mariners did not field a winning team until 1991, and further success eluded them until the late 90s, the most successful period in franchise history. Led by Hall of Fame players Edgar Martínez, Ken Griffey Jr., and Randy Johnson, the Mariners clinched their first playoff berth in 1995 when they won their first division championship and defeated the New York Yankees in the ALDS. Martínez's walk-off double in Game 5 drove Griffey in from first base to win the game in the 11th inning, clinched a series win for the Mariners, served as a powerful impetus to preserve baseball in Seattle, and has since become an iconic moment in team history. They would later win their second division title in 1997. After Griffey, Johnson, and Alex Rodriguez all left the team, the Mariners, bolstered by the signing of Ichiro Suzuki, won 116 games in 2001, which set the American League record for most wins in a single season and tied the 1906 Chicago Cubs for the Major League record for most wins in a single season. The team would not make the postseason again until 2022, which was the longest active drought in the four major North American sports. As of 2024, the franchise has finished with a losing record in 30 of 48 seasons. The Mariners are the only active MLB franchise never to have appeared in the World Series, currently holding the longest active World Series appearance drought in MLB.