A look at the AFC West Total QBR leaders through Week 3:
Overall, the group is doing very well and the division's four quarterbacks are ranked in the upper half of the league:
1. Peyton Manning, Denver
Total QBR: 70.0
NFL rank: 9
Comment: Manning was much cleaner in Week 3 than in Week 2.
2. Carson Palmer, Oakland
Total QBR: 67.9
NFL rank: 11
Comment: Palmer was very efficient in the Raiders’ Week 3 victory over Pittsburgh.
3. Philip Rivers, San Diego
Total QBR: 64.8
NFL rank: 15
Comment: Rivers took a step back in Week 3.
4. Matt Cassel, Kansas City
Total QBR: 59.3
NFL rank: 16
Comment: Cassel made several big plays in the Chiefs’ Week 3 win.