Here are the tie-breakers, i.e. after ranking for conference W-L record.

#1. Head-to-head competition: The two tied teams compete against each other.
(BYU beat Kansas State.)

#2. Win percentage: The teams' win percentages against COMMON conference opponents are compared.

#3. Win percentage against NEXT HIGHEST opponent: The teams' win percentages against the next highest common opponent are compared.

#4. Combined win percentage: The combined win percentage of conference opponents is compared.
(That's kind of an in-conference SOS thing.)

#5. Total number of wins: The total number of wins in a 12-game season is compared
(Only BYU, Iowa State, Utah, Kansas State, and Arizona State went unbeaten in non-conference games.)

#6. SportSource Analytics ranking: The highest ranking by SportSource Analytics is compared

#7. Coin toss: A coin toss is used if all other methods fail.


Conclusion? Just win baby.