The Arizona Diamondbacks are a Major League Baseball team based in Phoenix, Arizona. They are a member of the National League West division. The Diamondbacks were founded in 1998 and have played at Chase Field (formerly Bank One Ballpark) since their inception.

The Diamondbacks have had a relatively short history compared to other Major League Baseball teams, but they have made a significant impact in the league. In their first season, the Diamondbacks finished with a 65-97 record and finished last in their division. However, the team quickly improved and made it to the playoffs in just their second season. In 2001, the Diamondbacks won the World Series, becoming the fastest expansion team in Major League Baseball history to do so.

The Diamondbacks have made the playoffs several times since their World Series win, including in 2002, 2007, 2011, and 2017. They have also had a number of successful players over the years, including Luis Gonzalez, Randy Johnson, and Paul Goldschmidt.

Currently, the Diamondbacks are managed by Torey Lovullo and are led by players such as Ketel Marte, Eduardo Escobar, and Zac Gallen. The team finished the 2022 season with a 79-83 record, missing the playoffs.

The Diamondbacks have a strong rivalry with the Colorado Rockies and the Los Angeles Dodgers, and their games against these teams are always highly anticipated by fans. The team also has a dedicated fan base in Arizona, and Diamondbacks games are a popular event in the Phoenix area.

Overall, the Arizona Diamondbacks have had a successful history in Major League Baseball, with a World Series win and several playoff appearances.