A new rule could have kelly green uniforms back for 2022 [UPDATE] - Bleeding Green Nation
NFL approves alternate helmets for throwback uniforms: How that impacts the Eagles
Eagles unveil throwback kelly green jerseys for 2023 season – NBC Sports Philadelphia
Ranking top 9 Eagles in kelly green, and some who never got the chance
The Best Throwback Jerseys In The NFL
Philadelphia Eagles - Wikipedia
New NFL helmets: Ranking all 13 in 2022 uniforms from best to worst
Eagles' kelly green throwback uniforms can return thanks to NFL alternate helmet rule change
Eagles unveil long-awaited 'Kelly Green' throwbacks