Will Ferrin kicked three field goals, the final one from 44 yards with three seconds left, and No. 9 BYU rallied to beat Utah 22-21 on Saturday night in Salt Lake City.Jake Retzlaff threw for 219 yards to lead the Cougars. LJ Martin added 68 rushing yards. BYU (9-0, 6-0 Big 12) did not score an offensive touchdown until 12:35 remained in the fourth quarter.Brandon Rose threw for 112 yards and two touchdowns and added 55 yards on the ground in his first career start for the Utes.Micah Bernard rushed for 78 yards in the loss. Dorian Singer added 76 receiving yards on five catches. Utah (4-5, 1-5) lost five straight games for the first time since 2013.After trailing by 11 points at halftime, BYU drew within 21-19 on Retzlaff’s 1-yard run to cap a nine-play, 95-yard drive early in the fourth quarter. Cameron Calhoun picked off a two-point pass from Retzlaff to keep the Cougars from tying the score.Later in the quarter, BYU got the ball back at its own 9 with 1:56 left. Utah sacked Retzlaff near the goal line on fourth down but got called for a defensive holding penalty. Retzlaff completed a 30-yard pass to Chase Roberts on second-and-10. A 12-yard catch by Darius Lassiter and a 14-yard run by Hinckley Ropati helped set up Ferrin’s game-winner.