The Philadelphia Eagles enter Week 10 as the top team in PFF's power rankings. Meanwhile, the Green Bay Packers plummet to No. 21 after the Week 9 loss to the Detroit Lions.

Justin Fields has a propensity to take sacks at a high rate and struggles to find his receivers even when they are open, but the Bears also haven't provided him with much help.

The San Francisco 49ers enter Week 8 as a top-five team in PFF's power rankings, which also assesses injury impact, fourth-down decision-making, strength of schedule and more.

The San Francisco 49ers enter Week 8 as a top-five team in PFF's power rankings, which also assesses injury impact, fourth-down decision-making, strength of schedule and more.

The Buffalo Bills enter Week 7 as the top-ranked team in PFF's power rankings, which also assesses injury impact, fourth-down decision-making, strength of schedule and more.

The Buffalo Bills enter Week 6 as the top-ranked team in PFF's power rankings, which also assesses injury impact, fourth-down decision-making, strength of schedule and more.

Shedding light on how volatility can affect an offensive lineman's evaluation.