- Khalil Mack of the Oakland Raiders is PFF's highest-graded edge defender through four weeks with an overall 91.1 PFF grade. What makes Mack so good? Equal domination against the run and pass.
- Edge defenders are typically judged by their pass-rush ability, and Mack delivers against the pass. He is tied for sixth with four sacks this season, and has 17 total pressures in 117 pass-rush snaps through Week 4.
- What separates Mack from other edge defenders is his play in the run game. His 93.0 run-defense grade leads all defenders this season. He has 10 run stops in 85 snaps against the run, and is fourth among edge defenders in run-stop percentage at 11.8 percent.
Mack's path to being top-graded edge defender through 4 weeks

OAKLAND, CA - DECEMBER 04: Khalil Mack #52 of the Oakland Raiders celebrates after a fumble recovery against the Buffalo Bills during their NFL game at Oakland Alameda Coliseum on December 4, 2016 in Oakland, California. (Photo by Thearon W. Henderson/Getty Images)
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