[1] Chicago Sting leading scorer Karl-Heinz Granitza worked for the club's front office in 2005.
[3] With attendance an issue, the team moved its home games to the newly built Sears Centre in Hoffman Estates, a northwest suburb of Chicago, for the 2006–07 season.
[4] Steve Morris, a former Illinois soccer player of the year, replaced Klopas as coach for the 2006–07 season.
[6] They made the playoffs that year despite a late season slide, but lost to Monterrey in the quarterfinals after losing on a golden goal.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.