Mark Chichester
Head of Editorial • View all analysts
Recent Articles
Caleb Williams helped power the Chicago Bears to 59 points in Week 1 but finished with a 64.0 PFF passing grade. PFF’s play-by-play grading and accuracy data explain the difference between Williams’ impressive box score and his underlying performance. His positively and negatively graded plays, ball placement and a costly mistake erased by penalty provide important context behind the grade.
Tue, 15 Sep 26 09:45:00 +0000
One game isn't enough to establish a new baseline, but Walker's first performance of 2026 offered plenty of reasons for optimism. He won at a high rate in pass protection, remained perfect when isolated without help and delivered one of his best run-blocking performances since entering the league.
Mon, 14 Sep 26 17:55:42 +0000Bio
Mark Chichester is the managing editor at PFF. He joined PFF in April 2016 as a data collector before moving into an editorial role in 2018 and becoming the site’s managing editor in June 2022. His work has appeared in The Washington Post, ESPN and Yahoo!.