 He worked the first Big 12 championship game at the Trans World Dome in St. Louis in 1996, won by the Texas Longhorns over the Nebraska Cornhuskers, 37-27.In the NFL, Hittner has officiated eight post-season assignments including Super Bowls XXXVI, XXXVIII, and XL, in addition to two wild-card, one divisional, and two conference championship games.For the 2017 NFL season, Hittner was the down judge on the officiating crew headed by referee Craig Wrolstad.