Here is a comprehensive summary of the Arizona Diamondbacks:

The Arizona Diamondbacks (or D-backs) are a professional baseball team based in Phoenix, Arizona, competing in the National League (NL) West Division of Major League Baseball (MLB). Established on March 9, 1995, they began play in 1998 as an expansion team, making them one of the newest franchises in the league alongside the Tampa Bay Rays. After a rough inaugural season, the team made key acquisitions—most notably future Hall of Fame pitcher Randy Johnson, who won four consecutive Cy Young Awards—and quickly became a powerhouse, winning 100 games and their first division title in 1999. In 2001, they made history by defeating the three-time defending champion New York Yankees in the World Series, becoming the fastest expansion team ever to win a championship in just their fourth season. They returned to the World Series 22 years later in 2023 after winning the NLCS, but ultimately lost to the Texas Rangers in five games. The team plays its home games at Chase Field (originally Bank One Ballpark) and is known for its distinctive original uniforms featuring purple, black, teal, and copper colors, with a logo that includes a snake's tongue.