I simulated the season 100,000 times and only saw this three times, so these are pretty slim odds. CO won out 424 times, so this happens less than 1% of the time if CO wins out.

BYU v Iowa State and BYU v Kansas State are the only CCG matchups that don't include CO if CO wins out.

-----------------------------------
('BYU', 'Kansas St') in ccg
Arizona 4-8
Arizona St 8-4
BYU 11-1
Baylor 4-8
Cincinnati 5-7
Colorado 10-2
Houston 5-7
Iowa St 10-2
Kansas 3-9
Kansas St 11-1
Oklahoma St 6-6
TCU 9-3
Texas Tech 6-6
UCF 5-7
Utah 4-8
West Virginia 6-6
Oklahoma St over Baylor
Kansas St over Kansas
Houston over Utah
Arizona over West Virginia
TCU over Texas Tech
Colorado over Cincinnati
BYU over UCF
TCU over Baylor
Kansas St over Houston
UCF over Arizona
Oklahoma St over Arizona St
Texas Tech over Iowa St
TCU over Oklahoma St
West Virginia over Cincinnati
Colorado over Texas Tech
Arizona St over UCF
BYU over Utah
Iowa St over Kansas
Houston over Arizona
BYU over Kansas
Kansas St over Arizona St
Iowa St over Cincinnati
Baylor over West Virginia
Colorado over Utah
Kansas St over Cincinnati
Houston over Baylor
Arizona St over BYU
TCU over Arizona
Iowa St over Utah
West Virginia over UCF
Oklahoma St over Texas Tech
Colorado over Kansas
UCF over Utah
Colorado over Oklahoma St
Kansas over Baylor
Arizona St over Arizona
Kansas St over Iowa St
West Virginia over Texas Tech
TCU over Cincinnati
BYU over Houston
-----------------------------------
('BYU', 'Kansas St') in ccg
Arizona 7-5
Arizona St 9-3
BYU 11-1
Baylor 5-7
Cincinnati 6-6
Colorado 10-2
Houston 3-9
Iowa St 10-2
Kansas 4-8
Kansas St 11-1
Oklahoma St 5-7
TCU 7-5
Texas Tech 5-7
UCF 3-9
Utah 5-7
West Virginia 6-6
Oklahoma St over Baylor
Kansas St over Kansas
Houston over Utah
Arizona over West Virginia
TCU over Texas Tech
Colorado over Cincinnati
BYU over UCF
TCU over Baylor
Kansas St over Houston
Arizona over UCF
Arizona St over Oklahoma St
Iowa St over Texas Tech
TCU over Oklahoma St
West Virginia over Cincinnati
Colorado over Texas Tech
Arizona St over UCF
BYU over Utah
Kansas over Iowa St
Arizona over Houston
BYU over Kansas
Kansas St over Arizona St
Iowa St over Cincinnati
Baylor over West Virginia
Colorado over Utah
Kansas St over Cincinnati
Baylor over Houston
Arizona St over BYU
Arizona over TCU
Iowa St over Utah
West Virginia over UCF
Oklahoma St over Texas Tech
Colorado over Kansas
Utah over UCF
Colorado over Oklahoma St
Kansas over Baylor
Arizona St over Arizona
Kansas St over Iowa St
West Virginia over Texas Tech
Cincinnati over TCU
BYU over Houston
-----------------------------------
('BYU', 'Kansas St') in ccg
Arizona 4-8
Arizona St 9-3
BYU 11-1
Baylor 5-7
Cincinnati 5-7
Colorado 10-2
Houston 4-8
Iowa St 10-2
Kansas 3-9
Kansas St 11-1
Oklahoma St 4-8
TCU 8-4
Texas Tech 6-6
UCF 3-9
Utah 6-6
West Virginia 8-4
Baylor over Oklahoma St
Kansas St over Kansas
Utah over Houston
West Virginia over Arizona
TCU over Texas Tech
Colorado over Cincinnati
BYU over UCF
TCU over Baylor
Kansas St over Houston
Arizona over UCF
Arizona St over Oklahoma St
Iowa St over Texas Tech
Oklahoma St over TCU
West Virginia over Cincinnati
Colorado over Texas Tech
Arizona St over UCF
BYU over Utah
Kansas over Iowa St
Houston over Arizona
BYU over Kansas
Kansas St over Arizona St
Iowa St over Cincinnati
West Virginia over Baylor
Colorado over Utah
Kansas St over Cincinnati
Houston over Baylor
Arizona St over BYU
TCU over Arizona
Iowa St over Utah
West Virginia over UCF
Texas Tech over Oklahoma St
Colorado over Kansas
Utah over UCF
Colorado over Oklahoma St
Baylor over Kansas
Arizona St over Arizona
Kansas St over Iowa St
West Virginia over Texas Tech
TCU over Cincinnati
BYU over Houston