Heisman Trophy hopeful Trevone Boykin delivered another big night for No. 2 TCU on Saturday, but for the first time this year, the Horned Frogs needed every yard.Just a week after hammering Texas, 50-7, TCU came from behind to escape an upset bid from Kansas State, winning 52-45 on Boykin's 55-yard touchdown pa s to star receiver Josh Doctson with 1:10 Logan O'connor Jersey left to play.It was Boykin's third touchdown of the fourth quarter, along with rushing scores of 14 and 69 yards. TCU overcame a 35-17 halftime deficit.Boykin completed 20 of 30 pa ses for 301 yards, two touchdowns and two interceptions for his fourth consecutive game of 300 yards or more. In his first two-interception game of the year, Boykin atoned with his best rushing effort of the year: 11 carries for 124 yards.Doctson, a senior for the 2016 , caught eight pa ses for 155 yards and two scores.*Follow Chase Goodbread on Twitter *. Calum Ritchie Jersey