BYU upset No. 13 Kansas State 38-9 late Saturday night by blowing up the Wildcats in the middle of the game. The Cougars stunned the Big 12 co-favorite with a barrage of huge plays that created a freight train of momentum K-State could not answer.

BYU is 4-0 following a dominant 38-9 victory over no. 13 Kansas State. With the win, the Cougars broke the program record for the largest margin of victory over a top-15 team in program history. And it all started with a sequence of plays that spanned only 39 seconds of gameplay that completely changed the course of the game.

K-State lost at BYU on Saturday. Utah went into Oklahoma State and gave the Cowboys their first loss of the season. Now this vintage Big Eight matchup looks more like a game for survival. The winning team will feel like it is right back in the Big 12 race. The losing team will feel like it has been eliminated from contention.

Preview the Kansas State Wildcats vs. BYU Cougars college football matchup, with score predictions, stats, and game information.

BYU has been searching for a defining moment in its young Big 12 football existence for more than a year now, and on a wild and woolly night in Provo, head coach Kalani Sitake’s crew delivered it in some of the most unimaginable ways possible.

BYU’s defense forced three turnovers, Jake Retzlaff threw for 149 yards and two touchdowns and Parker Kingston had a highlight reel 90-yard punt return touchdown in a 38-9 victory over No. 13 Kansas State on Saturday night.

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K-State (3-1, 0-1 Big 12) suffered its first loss of the season and watched in disbelief as BYU (4-0, 1-0 Big 12) ran away with things for a lopsided win that was played late at n

After spending the previous 12 seasons as an Independent, the BYU Cougars are now in the midst of just their second season in the Big 12, and a meeting with undefeated 13th-ranked Kansas State on Saturday night represents what is undoubtedly their biggest in-conference test yet.

BYU scored three touchdowns off Kansas State turnovers in a three-minute span as the Cougars knocked off the No. 13 Wildcats 38-9 on Saturday night in Provo, Utah. Jake Retzlaff

Kansas State football laid an egg against BYU on the road in its Big 12 opener. Here is how the Wildcats graded out.