The Arizona Diamondbacks are a professional baseball team based in Phoenix, Arizona. They were formed in 1998 and began playing in Major League Baseball (MLB) as an expansion team in 1998. The team plays its home games at Chase Field. The Diamondbacks compete in the National League (NL) West division. They won the World Series championship in 2001, becoming the fastest expansion team in the Major Leagues to win a championship, doing so in only the fourth season since inception in 1998. The team has won one NL Pennant and five West Division titles. In the 2023 season, they have a record of 82-74 and are currently in second place in the NL West division. The team's mascot is D. Baxter the Bobcat. The Arizona Diamondbacks Foundation is the official charity arm of the team and they have a program called "D-backs Give Back".