Why are Buffalo Bills players wearing '3' patch on their NFL jerseys?

BUFFALO BILLS players step out for the first time on Sunday since Damar Hamlin’s collapse. The Bills team end an emotional week with a game against their AFC East rivals the New England Patri…

I didnt think an Allen jersey could get any sexier until I picked up a gold C patch for Josh's fifth year of captaincy. : r/buffalobills

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Stephen Curry, Russell Westbrook, Lewis Hamilton & More Step Out for the Met Gala 2021: Photo 4624087, Lewis Hamilton, Nyjah Huston, Russell Westbrook, Stephen Curry Photos

Bills to wear '3′ patches on jerseys at Sunday's game to honor Damar Hamlin

Patiently waiting on the Bills to announce the alt Red helmets for this season.. 😩😬🔥

Hamlin in their hearts, the NFL pays tribute to No. 3 - radiozona

NFL teams, players show support for Bills safety Damar Hamlin ahead of Week 18 games

Why are Buffalo Bills players wearing '3' patch on their NFL jerseys?

Why are Buffalo Bills players wearing '3' patch on their NFL jerseys?

Buffalo Bills and NFL to show support for Damar Hamlin during Week 18

Playing While Coping: After Damar Hamlin's injury, Bills balance thinking about teammate, preparing to play