He was also a member of the Texas Terror of the Arena Football League (AFL).
He led NCAA Division I-A in total offense with 3,768 yards in 1992.
[1] Klingler played for the Birmingham Barracudas in 1995, recording four touchdowns on 645 passing yards.
[2] Klingler played for the Texas Terror in 1996, recording seven touchdowns on 514 passing yards.
[4][5] Klingler's brother David also played quarterback for the Houston Cougars.