Jersey Number Swapping and the Changing Rules of the NFL for 2021

Cardinals announce jersey number changes, assignments for 2021

NFL rule changes for 2021; jersey number expansion

Players who switched international teams and how they fared

NFL jersey number rule change could bring back some classic college football looks for Derrick Henry, Jalen Ramsey and others - ESPN

NFL jersey number rule change: 49ers WR Deebo Samuel eyeing new number

What are the new Colts jersey numbers for Philip Rivers, DeForest Buckner and more?

11 Saints players who could switch to college jersey numbers in 2021

Tottenham confirm surprise Cristian Romero shirt number swap and one other change for new season

Tom Brady slams NFL's jersey number rule: 'Dumb

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