Teams toss out 9 new rules proposals hoping some will stick – Football Zebras
Phil Luckett Botches Jerome Bettis OT Coin Toss (1998)
NFL Rules : Do all opposing penalties offset? - Quora
Roger Goodell should come out of hiding, enact new NFL rule on replay
Championship Sunday Open Discussion
NFL replay review: Lions GM outlines proposal for change - Sports Illustrated
NFL rules and the players who inspired them - Sports Illustrated
What does covering the NFL spread mean? - Quora
Why has an NFL team never played the Super Bowl at their home stadium? Is it rigged? - Quora
How American Football Works
Equity issues regarding possible Bills-Bengals playoff game got lost in the cracks - NBC Sports
NFL 2020: Geno Smith coin toss controversy, Heads or tails?
The long history of the draft-order coin flip has ended – Quirky Research