What are the new rules for NFL 2021? - AS USA
Several NFL Teams Propose Rule Changes To Add More Instant Replay
Replay Assistance Rule NFL Football Operations
NCAA Football Rules Committee Proposes Timing Rules Changes - OnFocus
NFL Announces 2023 Rule Changes; Chargers Get Proposal Passed by Owners
NFL overtime rules could be changed at owners' meetings - Los Angeles Times
NFL Rule Changes: Expanded replay on pass interference key topic - Sports Illustrated
Replay Assistance Rule NFL Football Operations
Enough is enough: Recent rule changes are ruining sports - The ECHO
Appeals process approved for football players called for targeting in the second half