UFC 106 mix-up, Tito Ortiz vs Forrest Griffin 2 has been promoted to the main event after Brock Lesnar vs. Shane Carwin was rescheduled to UFC 108 on Jan. 2.
A illness caused Brock Lesnar to withdraw from this UFC 106 title defense fight against Shane Carwin. The UFC quickly made the move and pushed back the fight a little over a month to allow Lesnar to get well and get back to training.