The 2007 Pioneer Las Vegas Bowl was an NCAA-sanctioned Division I post-season college football bowl game between the UCLA Bruins and the Brigham Young University Cougars. The Las Vegas Bowl gets its first choice of bowl-eligible teams from the Mountain West Conference (MWC) and the fourth/fifth choice (alternating every year) of bowl-eligible teams from the Pacific-10 Conference (Pac-10). This bowl game was played on December 22, 2007 at 5 p.m. PST at 40,000-seat Sam Boyd Stadium in Whitney, Nevada, USA where this bowl game has been played since 1992. It was broadcast on ESPN and ESPNHD. Since 2001, the game has featured a matchup of teams from the MWC and Pac-10.

This was the second meeting in the 2007 College football season between the 2007 UCLA Bruins football team and the 2007 BYU Cougars football team. In the first meeting on September 8, 2007 at the Rose Bowl Stadium, the Bruins avoided an upset in a tough game by beating the Cougars, 27-17. UCLA had control of the game in the first half, but BYU made it close in the third quarter. UCLA's pass defense was shaky, giving up 391 yards, and their own passing attack inconsistent, as Ben Olson, a quarterback who transferred from BYU to UCLA, completed only 13 of 28 passes for 126 yards.

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