Pac-12 Heisman update: Week 14

Here's a look at what the Pac-12's top Heisman Trophy candidates did over the weekend.

Andrew Luck, QB, Stanford: Luck completed 20 of 30 passes for 233 yards with four touchdowns and one interception in the 28-14 win over Notre Dame. He ranks fifth in the nation in passing efficiency. He's completing 70 percent of his throws with 35 touchdowns and nine interceptions. He has thrown for 80 touchdowns in three years, breaking John Elway's school record. Trending? Down.

Matt Barkley, QB, USC: Barkley completed 35 of 42 passes for 423 yards with six touchdowns and no interceptions in a 50-0 victory over rival UCLA. He's set a new conference record with 39 touchdowns passes this season. He ranks ninth in the nation in passing efficiency. He's completing 69 percent of his throws. Since Oct. 1, he has 29 touchdown passes with four INTs. Trending: Up.

LaMichael James, RB, Oregon: James rushed for142 yards on 24 carries before hurting his arm in the Ducks win over Oregon State. He ranks first in the nation with 142.7 yards rushing per game and averages 7.24 yards per rush, which is the best among the top-11 rushers. He's also scored 14 TDs. Trending? Down.