MassLive.comNFL approves 7 new rules for 2021 season including single digit jersey expansionApr 21, 2021bookmark_bordersharemore_vert
NFL.comNFL owners pass rule expanding eligible jersey numbers for certain positionsApr 21, 2021Kevin PatraBy Kevin Patrabookmark_bordersharemore_vert
Sporting NewsNew NFL jersey numbers, explained: What to know about league's rule change for 2021Apr 26, 2021Joe RiveraBy Joe Riverabookmark_bordersharemore_vert