NFL owners approve replay change, other new rules for 2021 season - ESPN
NFL's instant replay officials have new powers, but owners weren't interested in other major rules changes - The Boston Globe
The leap is out: Defenders can no longer hurdle long snapper in creative bid to block kicks, NFL rules
Arkansas PBS Sports, AR PBS Sports Football State Championship - 5A, Season 2021
Contradictory rules under consideration could turn 10-minute overtime into a 5-minute egg – Football Zebras
Countdown: Dak to Lamb With Walk-off TD vs. Pats
NFL owners approve replay change, other new rules for 2021 season - ESPN
Countdown: Celebrating Zeke's Longest Career TD
NFL owners to consider rule that makes roughing the passer penalties reviewable
The NFL's 3 changes under the hood of replay that could have mixed results – Football Zebras