The first-year quarterback's career-high 219 yards came too late for TCU.
Despite the loss, head coach Jill Kramer said it was the hardest her team has competed "in a long time."
The sophomore has recorded 18 tackles, four passes defended, and two interceptions already this season.
The Cyclones are averaging 500 yards of total offense per game headed into Saturday's contest.
The Frogs put up 625 yards of total offense in a blowout of the Jayhawks.
Here's a glance at what TCU's offense looks like headed into conference play.
The Frogs fell 27-26 to Kansas last year for the first time since they've been in the Big 12.
A career-high 19 tackles from Wallow and 161 rushing yards from Anderson aren't enough to stop the surging Mustangs.
The Mustangs enter the game 3-0 with the No. 11-ranked offense in the nation.
The running back was arrested in May for possession of drugs.