A look at the AFC West Total QBR leaders through Week 10:
1. Peyton Manning, Denver
Total QBR: 84.8
NFL rank: 1
Comment: This amazing story keeps getting more interesting.
2. Carson Palmer, Oakland
Total QBR: 49.2
NFL rank: 21
Comment: Palmer not getting much impact out of big yardage outputs.
3. Philip Rivers, San Diego
Total QBR: 48.8
NFL rank: 23
Comment: If he could only stop with the unexplainable interceptions.
4. Matt Cassel, Kansas City
Total QBR: 40.1
NFL rank: 29
Comment: There is a chance he will never play for the Chiefs again.