On the first play after Klein was picked off by Joe Williams in the end zone late in the third quarter, Seastrunk took a handoff and raced 80 yards for the score.
Chris Harper had 11 catches for 123 yards for the Wildcats.
Baylor scored less than 2 minutes into the game on Florence's 38-yard TD to Tevin Reese after completing passes to different receivers on each of the first four plays.
The Bears then tried a short kickoff that K-State recovered. To make it worse, a 15-yard penalty for interfering with the returner set the Wildcats up at the Baylor 38 and led to Klein's 8-yard TD run.
A holding call wiped out a 95-yard return by Antwan Goodley on the ensuing kickoff, but the Bears regrouped to go 75 yards in 11 plays for Florence's 12-yard TD run that made it 14-7.
Early in the second quarter, Klein was picked off by Williams on a deep throw.
K-State had a fumble recovery nullified by an offside call. The Wildcats jumped again on a third-and-9, and Florence took off running for a 10-yard gain, plus an additional 15 yards when Dante Barnett was flagged for unnecessary roughness for lowering his shoulder and a hard hit on the Baylor quarterback, who threw an interception two plays later.
About the only stretch that Klein really looked like himself was that closing 2 minutes of the first half.
On the first play after Martin's score, Klein threw a 36-yard pass to Harper and 5 yards to Tyler Lockett. After a pass interference penalty against Baylor in the end zone put the ball at the 7, Klein threw a TD to Harper,
Baylor then went three-and-out, with Barnett preventing a first down with his open-field tackle of Reese on third down.
The Wildcats then had a 10-play drive in 51 seconds, capped by Anthony Cantele's 23-yard field goal on the last play of the half, right after Thompson's 22-yard reception.
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