2023 Rules Changes and Points of Clarification
Potential college football rule changes aim to limit plays and exposures while shortening the game
Soccer violence: Referees under siege
The NFL's 6 new rules for the 2021 season, explained
Timing rules changes proposed in football
The NFL changed its replay rules after the Saints-Rams fiasco. Now comes the hard part. - The Washington Post
Why opposing fans and players think NFL refs are favoring the Patriots
NFL replacement refs could be good for full-timers
Centralized instant replay among NFL rule changes adopted by owners - Newsday
Important Rule Changes for the 2023 College Football Season - National Football Foundation
Technology Helps But May Replace Refs - Gridiron Heroics
Officiating crews for the 2021 season – Football Zebras
Scoring Plays NFL Football Operations
Revisiting the Saints pass interference non-call that changed NFL replay review
NFL rule changes include players now being able to wear No. 0, and tripping penalties being personal fouls - Dawgs By Nature