Eagles' kelly green throwback uniforms can return thanks to NFL alternate helmet rule change
Ranking New NFL Helmets - Sideline Cue
Kelly green is back! Eagles will wear new alternate jerseys starting in 2023 - Bleeding Green Nation
NFL approves alternate helmets for 2022 meaning Dallas Cowboys can wear throwback uniforms - Blogging The Boys
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Eagles to wear kelly green jerseys twice in 2023 – NBC Sports Philadelphia
With the one-shell rule gone, here are all the alternate and throwback helmets NFL teams have unveiled so far - Footballscoop
Patriots Red Throwback Uniform — UNISWAG
Eagles will wear alternate Kelly green jerseys in 2023
Philadelphia Eagles make proposal to bring alternate helmets back to NFL – SportsLogos.Net News
The inside story of how the Kelly Green uniforms became a reality
MCM Poll: Should the Titans wear the Houston Oilers throwback uniforms? - Music City Miracles
8 NFL throwbacks that should return and 4 that should stay out of sight
23 Questions That Could Shape the 2023 NFL Season - The Ringer