NFL rules will now treat head-first dives like feet-first slides - NBC Sports
NFL owners approve proposal to allow players to wear No. 0
Jayron Kearse one of several Cowboys players with new jersey number
NFL Approves Rule Change Allowing More Jersey Numbers For Certain Positions - CBS Boston
Raiders: Malcolm Koonce breaks through against Steelers - Silver And Black Pride
The Future of NFL Defenses Lies in a Lime-Green Dot - The Ringer
NFL Football Operations on X: .@NFL owners approved a rule change proposed by the @Chiefs expanding jersey number options for certain positions. Check out the full list of 2021 rule changes
D'Andre Swift takes No. 0 as Eagles announce jersey numbers
The Future of the NFL - WSJ
NFL stars excited by zero jersey number rule change
NFL jersey numbers: Odell Beckham Jr., Stefon Diggs among 20 big names who could make switch under new rule
NFL jersey number restrictions could change for running backs, receivers, tight ends, linebackers, defensive backs