In 2005, the Sting defeated the 2004 NLL champion Calgary Roughnecks to win the franchise's first-ever West Division title.

On October 16, 2007, the NLL announced that the 2008 season had been cancelled due to the failure of the league and the Professional Lacrosse Players' Association to reach a new collective bargaining agreement.

The NLL then gave all clubs an option to be placed on voluntary inactive status, whereby the team’s players could be subject to a dispersal draft.

[4]Prior to the 2009 NLL season, the Arizona Sting ceased operations and its players were put in a dispersal draft.

The Knighthawks had the overall top seed in the playoffs, but were unable to host the Championship game due to a scheduling conflict at the Blue Cross Arena.