Their final regular season game in August 1997 was played at their original ball park and featured ceremonies including "passing the torch" to the Arizona Diamondbacks, the major league team which became Phoenix's main baseball team who began play the next year.

[2] The team made the 1997 PCL playoffs their final year, which extended their existence by a couple weeks.

The Firebirds defeated the Colorado Springs Sky Sox 3-0 in the first round but lost the championship series 3 games to 1 to the Edmonton Trappers.

The franchise's final game was September 11, 1997, a 7-1 loss handing the Edmonton Trappers the 1997 PCL Championship played at Scottsdale Stadium.

[3] Several Giants alumni like Willie McCovey, Bobby Bonds, Matt Williams, Steve Stone, and Kirt Manwaring played in Phoenix.