TULSA, Okla. (AP) _ Steve Sarkisian threw for 329 yards and five touchdowns Saturday night in leading No. 18 Brigham Young to a 55-30 victory over Tulsa.

The Cougars (7-1, 3-0 Western Athletic Conference) also got career-high 132 yards rushing from junior college transfer Brian McKenzie and two short touchdown runs from Ronney Jenkins.

Tulsa (3-3, 1-2) used a field goal and touchdown to draw within 34-30 in the third quarter before the Cougars broke the game open for good.

After a 44-yard kickoff return by Jenkins set the Cougars up at their 44, Sarkisian led them to the end zone in just four plays, hitting split end James Dye on a 38-yard scoring pass.

Brigham Young's defense came up with the next big play. Byron Frisch hit Troy DeGar as DeGar tried to throw, and linebacker Brad Martin returned the fumble 10 yards deep into Tulsa territory. Two plays later, Jenkins scored on a 1-yard run to make it 48-30.

The Cougars needed only five plays to drive 69 yards for their next touchdown, a 6-yard pass from Sarkisian to Lewis after McKenzie and Jenkins took turns churning out big gains on the ground.

Sarkisian wound up 21-of-32 with one interception.

DeGar took over late in the second quarter after starter John Fitzgerald got hurt. He led Tulsa 80 yards for a score on its first drive of the third quarter, hitting Damon Savage for a 12-yard touchdown, and then James Anderson kicked a 43-yard field goal to make it 34-30.

Sarkisian had 253 yards passing at halftime, but the Cougars only led 27-20 because of two late scores by Tulsa that were aided by BYU mistakes.

A personal foul against the Cougars kept alive a Tulsa drive that would have ended near midfield. Instead, the penalty gave the Hurricane a first down in Cougars territory. DeGar later gained 22 yards on a third-and-10 run, and Reggie Williams ended the drive by scoring from 8 yards out to make it 27-13.

Tulsa drew within seven moments later when cornerback Terrance Joseph intercepted a tipped pass and returned it 48 yards for a touchdown with just two seconds left in the half.

Sarkisian and the Cougars had moved the ball effectively to that point. They scored the first four times they got the ball, including a 25-yard touchdown pass to Itula Mili, in taking a 20-3 first-quarter lead.

Sarkisian added a 31-yard scoring pass to K.O. Kealaluhi midway through the second quarter to give the Cougars a 27-3 lead.