Alexander leads 2nd-half push, Portland State blanks Idaho

PORTLAND, Ore. -- Davis Alexander threw for two touchdowns and ran for another and Portland State scored all of the game's points after halftime in a 24-0 victory over Idaho on Saturday. Deon Crayon 's interception of a Mason Petrino pass early in the third quarter set up the Vikings (4-3, 2-1 Big Sky) for the game's first score, a 38-yard field goal by Cody Williams . After Crayon's interception at the Idaho 23 the Vikings gained 1-yard and settled for the field goal with 11:36 remaining in the third quarter. Portland State's offense took over later in the quarter as Alexander scored on a 21-yard run for a 10-0 lead heading to the final period. Alexander threw 28 yards to Davis Koetter and 21 yards to Emmanuel Daigbe for fourth-quarter touchdowns. Alexander was the game's leading passer, with 167 yards, and leading rusher, with 91 yards.