Although it won’t be official until Sunday, Colorado’s ticket to the Alamo Bowl was punched on Saturday.

The 23rd-ranked Buffaloes (9-3, 7-2 Big 12) will face either No. 16 Iowa State (10-3, 7-2) or No. 18 BYU (10-2, 7-2) at the Alamodome. in San Antonio on December 28 (5:30 p.m. MT, ABC).