NFL doesn't allow players to switch numbers during season - NBC Sports
It looks like Dallas Cowboys linebacker Francis Bernard will have a new jersey number this season - Blogging The Boys
Cowboys' Micah Parsons teases jersey-number change, upsets NFL fans
NFL stars excited by zero jersey number rule change
Cowboys reveal what number Jason Peters will wear with Dallas
10 unwritten rules for not screwing up your NFL jersey number
New number, who dis?: Cowboys CB Jourdan Lewis to wear single digit
Here are the Cowboys' new jersey number assignments for 2023
Can I get your number? 13 Cowboys to wear revised jersey digits in '22
Micah Parsons wanted to be Agent Zero but won't be changing his jersey number for next season
Dallas Cowboys LB Jaylon Smith changing to No. 9, will pay six-figure sum for switch, sources say - ESPN