Dbacks Primary LogoDbacks Alternate LogoDbacks Wordmark LogoDbacks Team MerchEstablished 1998 City Phoenix League History 2000 – Present / Major League Baseball 1998 – 1999 / National League Team History 1998 – Present / Arizona Diamondbacks Nickname Diamondbacks – The Arizona Diamondbacks are one of the most beloved teams in Major League Baseball, and their nickname has a unique origin story. …