FLAGSTAFF, Ariz. -- Southern Utah's Cody Larsen sacked Northern Arizona's Cary Grossart for a 15-yard loss on a fourth-and-3 play, keeping the Lumberjacks out of the end zone in the third overtime and preserving a 35-29 victory for the Thunderbirds on Saturday.
The loss dropped Northern Arizona (8-2, 6-1 Big Sky) into a tie for the conference lead with Eastern Washington and Montana State. Southern Utah (5-6, 4-4) also gave Eastern Washington its only conference setback.
The difference for Southern Utah in the third overtime proved to be Easton Pedersen's 22-yard touchdown pass from Brad Sorensen.
Sorensen rushed for a 4-yard TD for the first Southern Utah points in overtime, and threw a 14-yard TD pass to Fatu Moala. Northern Arizona's TDs in overtime came on a 12-yard pass from Grossart to Dejzon Walker and a 17-yard pass from Grossart to Ify Umodu.
Grossart threw four TD passes, but was sacked six times.
* EASTERN WASHINGTON 31, UC DAVIS 28: At Cheney, Wash., Vernon Adams' 9-yard touchdown run with 8:13 to play capped a second-half rally, and Eastern Washington blocked a late field-goal attempt Saturday to beat UC Davis and move into a first-place tie in the Big Sky Conference.
Adams' score came after Kyle Padron hit Greg Herd for a 51-yard touchdown to pull the Eagles (8-2, 6-1) within 28-24. Later, UC Davis lined up to attempt a game-tying 52-yard field goal with 44 seconds left, but David Gaylord blocked it to seal the win.
EWU's Demitrius Bronson finished with 63 yards rushing and two first-quarter touchdowns. That gave the Eagles a 14-3 lead before the Aggies (3-7, 2-5) scored 21 unanswered points on Randy Wright's 72-yard touchdown pass to Corey Galindo and Dalton Turay's two short scoring runs.
* MONTANA STATE 65, PORTLAND STATE 30: At Bozeman, Mont., DeNarius McGhee threw four touchdown passes and Cody Kirk scored three TDs as Montana State routed Portland State.
The Bobcats (9-1, 6-1 Big Sky) saw six players score in the first half, when they scored 59 points, and had touchdowns on offense, defense, and special teams in dominating the Vikings. Two weeks after gaining a school-record 695 yards, MSU had 389 yards by halftime before sending in its second team early in the second half. Shawn Johnson scored on a 54-yard pass play and a 72-yard punt return and Kirk, who ran for 122 yards, had scoring runs of 17 and 14 yards, along with a 54-yard touchdown reception.
DJ Adams had a 69-yard touchdown run in the first quarter to cut the Bobcats' lead to 10-7, but Portland State (3-7, 2-5) didn't manage another first down until its final drive of the half.
Cal Poly defeated Idaho State 70-14 in the other Big Sky game.
* SAN JOSE STATE 47, NEW MEXICO STATE 7: At Las Cruces, N.M., David Fales threw for 276 yards and four touchdowns and San Jose State rolled to a victory over New Mexico State.
San Jose State (8-2, 4-1 Western Athletic) started putting points on the board early, as Fales and Chandler Jones collaborated on two scoring passes in the first half.
Fales completed 12 of 18 passes. Jones caught five passes for 101 yards.
San Jose State also played tough defense, holding New Mexico State (1-9, 0-5) to 120 yards on the ground and only 100 through the air.
* WYOMING 28, NEW MEXICO 23: At Albuquerque, N.M., Wyoming quarterback Brett Smith threw four touchdown passes and a season-high 374 yards Saturday to lead the Cowboys past New Mexico.
Smith tossed three of touchdowns in the first half as Wyoming (3-7, 2-4 Mountain West) took a 21-7 halftime lead.
The Lobos (4-7, 1-5) closed within 21-17 midway through the third quarter, but could get no closer.
New Mexico quarterback Cole Gautsche threw his first two touchdown passes of the season and gained 150 yards on the ground.
* SAN DIEGO STATE 28, AIR FORCE 9: At San Diego State, Adam Muema ran for two touchdowns and Everett Beed returned a fumble 52 yards for a score, leading San Diego State over Air Force.
San Diego State (8-3, 6-1 Mountain West) ran its winning streak to six as it reached eight victories for the third consecutive season.
Muema, who scored on runs of 20 and 15 yards, rushed for 81 yards on 15 carries as the Aztecs gained 178 yards on the ground. Walter Kazee added 106 yards on 23 rushes.
Air Force (5-5, 4-2) could not overcome three turnovers by quarterback Connor Dietz that led to three San Diego State touchdowns.
* COLORADO STATE 33, UNLV 11: At Fort Collins, Colo., Shaquil Barrett and Shaq Bell returned turnovers for touchdowns as Colorado State beat mistake-prone UNLV.
Barrett ran back an interception and Bell brought back a fumble for a score, two of the four mistakes forced by Colorado State (3-7, 2-4 Mountain West). Donnell Alexander ran for a career-high 139 yards, his second straight 100-yard game, and two touchdowns.
The Rams had lost seven of eight.
Tim Cornett ran for 102 yards on 20 carries for UNLV (2-9, 2-4). Cornett became the first Rebel to have eight 100-yard games in a season since Icky Woods did it in 1987. Nick Sherry was 12 of 30 passing for 139 yards, a touchdown and two interceptions.
The Rebels haven't won at Hughes Stadium since Nov. 20, 2002, and extended their road losing streak to 21 games. They failed to win back-to-back games for the first time since 2008.
Colorado State built a 24-0 lead at the half, forcing four turnovers.
* BOISE STATE 49, HAWAII 14: At Honolulu, Joe Southwick threw three touchdowns and backup quarterback Grant Hedrick rushed for another and Boise State easily beat Hawaii.
Southwick threw for 209 yards, including touchdowns to Matt Millers, Aaron Burks and Holden Huff.
Hedrick replaced Southwick in the fourth quarter, well after the game was decided. He led the Broncos (8-2, 5-1 Mountain West) on a 56-yard drive of more than 9 minutes, capping it off with a 4-yard touchdown run.
Jay Ajayi and Shane Williams-Rhodes each added rushing touchdowns and Boise State's defense also scored on a 25-yard fumble recovery.
Hawaii (1-8, 0-6) had its best play on special teams, with Mike Edwards returning a kickoff 100 yards for a touchdown to tie the game at 7-7 in the first quarter.
Quarterback Sean Schroeder of Hawaii was benched midway through the third quarter. He finished with 100 yards and an interception, while taking four sacks.