On Sunday, the Chiefs beat the Jets, 38-34, on a fourth-down touchdown plunge with two seconds left.
The giant-killer Cardinals took the lead for good, 36-31, with 36 seconds to play, on Tommy Vardell's fourth 1-yard touchdown plunge of the game.
Seven plays later, Feeney made 1-yard touchdown plunge.
Iowa seemed in command with a 26-14 lead after a 1-yard touchdown plunge by Lew Montgomery, his second of the game, with 11 minutes remaining.
That set up a 3-yard touchdown plunge off the right tackle by the third-string fullback, Dennis Heidt, who had carried only 10 times this season.
He broke four tackles on a 26-yard run that put the Longhorns in position for his 1-yard touchdown plunge.
That set up James Coleman's 1-yard touchdown plunge and helped Florida State lasso momentum.
Kansas State trailed 35-26 midway through the fourth quarter when Klein engineered a 13-play, 70-yard drive that he capped with a short touchdown plunge.
The interception set up a 2-yard touchdown plunge by Mike Alstott for a 19-7 lead.
Saskatchewan edged closer with 3-yard touchdown plunge from Shawn Daniels, but the convert failed, leaving the score 14-9.