BOZEMAN, Mont. (AP) - Joe Logan ran for 147 yards, including touchdown runs of 65 and 4 yards, to lead Northern Arizona to a 20-14 win over Montana State Saturday night.

The Lumberjacks (1-2 Big Sky, 2-4 overall), who were picked to win the Big Sky, built a 20-0 lead in the third quarter in earning their first league win of the season as they cling to FCS playoff hopes.

Luke Nguyen preserved the win when he forced a fumble and Xavier Stephens recovered after MSU drove to the Lumberjack 35 with 24 seconds to play.

MSU (0-3, 2-4) struggled offensively for nearly three quarters. Starting quarterback Tyler Bruggman was replaced early in the game, but backup Chris Murray wasn't much more effective. Bruggman returned later in the half only to see Murray start the second half and lead the Bobcats on two scoring drives.

Blake Kemp, filling in for injured starter Case Cookus, was 25-for-40 passing for 195 yards. MSU's Chad Newell scored MSU's first touchdown on a 9-yard scamper in the third quarter, while Murray ran in the second from 20 yards out.