Expanded use of jersey numbers among approved NFL rule changes for 2021 - Pats Pulpit
NFL owners vote unanimously to change catch rules - Pride Of Detroit
NFL owners don't vote on Chiefs' proposed overtime changes due to lack of support
NFL approves 7 new rules for 2021 season including single digit jersey expansion
Does the NFL need to change its overtime rules? : NPR
Chiefs Proposing OT Rule Change to Give Both Teams Ball After AFC Title Loss, News, Scores, Highlights, Stats, and Rumors
A closer look at the 11 proposed changes to the NFL's 2021 Playing Rules - Windy City Gridiron
Chiefs-Bills shows why NFL must change unfair overtime rule
A Look at the NFL's Rule-Change Proposals
NFL overtime rule 'kind of stinks,' but Chiefs, Bills shrug it off
No more overtime? Eject players who commit fouls? 19 NFL rule change proposals, NFL News
Giants Now: Changes to NFL overtime rules?
NFL clubs submit 7 rule changes, propose addition of 'booth umpire'
2021 Competition Committee and Club Playing Rules Proposals