The 2015 BYU Cougars football team represented Brigham Young University (BYU) in the 2015 NCAA Division I FBS football season. The Cougars, led by 11th-year head coach Bronco Mendenhall, played their home games at LaVell Edwards Stadium. This was the fifth year BYU competed as an NCAA Division I FBS independent. They finished the season 9–4. They were invited to the Las Vegas Bowl, where they lost to rival Utah. On December 4, Mendenhall was hired as the head coach at Virginia. He stayed and coached the Cougars in the Las Vegas Bowl. He finished at BYU with an 11-year record of 99–43. On December 19, Oregon State defensive coordinator and former BYU fullback Kalani Sitake was named BYU's new head coach. Wiki link