Ashton Jeanty rushed for a career-high 205 yards and two touchdowns and Boise State defeated San Diego State 34-31 on Friday night in a Mountain West Conference opening game. Jeanty also recovered the onside kick after San Diego State scored in the final minute. Taylen Green threw for a touchdown and ran for another as the Broncos (2-2) won its 24th-straight conference opener, 13 in the MWC.