Idaho (0-4) had tied the game on the final play of regulation, when Dominique Blackman tossed an 8-yard TD pass to Mike Scott in the corner of the end zone. Trey Farquahar's extra point made it 34-all.
Farquahar's 49-yard field goal put the Vandals ahead in overtime, but Smith and Claiborne pulled it out for the Cowboys (1-3).
Smith was 23 of 35 for 365 yards and was not intercepted, and Chris McNeill caught eight passes for 219 yards. Blackman finished 34 of 46 for 306 yards and had three touchdowns and no interceptions.
Alabama football's Nick Saban joins The Paul Finebaum Show to give his opinion about the social media platform and OC Lane Kiffin's recent tweets.
Alabama football coach Nick Saban joins The Paul Finebaum Show to discuss his hopes for the future of the game.
Kenny Potter, the MVP of the 2015 AutoNation Cure Bowl, tosses a football from the top of the stands into a trash can at Spartan Stadium.
Penn State's board of trustees has approved allowing some fans to buy alcohol at the university's football and basketball stadiums, as well as other athletic facilities.
Navigate Research explained that the Big 12's old model -- 12 teams, eight league games, a conference championship -- is best for maximizing the chance of reaching the CFP.
Satellite-camp season opens June 1 after the close of the spring evaluation period, during which time head coaches are not allowed on the road.