All of the alternate and throwback helmets being debuted in the 2022 season : r/nfl
NFL announces when Eagles, others will debut new alternate helmets – NBC Sports Philadelphia
The inside story of how the Kelly Green uniforms became a reality
NFL alternate uniforms, helmets: Bears, Eagles, Bengals, Cowboys, more
Why the Eagles, and other certain NFL teams, can't wear their awesome throwback uniforms
A new rule could have kelly green uniforms back for 2022 [UPDATE] - Bleeding Green Nation
Rob McElhenney starts petition for Eagles jersey change after statement win over Dolphins - Mirror Online
Philadelphia Eagles Roll Out Kelly Green Throwback Uniforms
Philadelphia Eagles Confirm Return Of Kelly Green Throwback Uniforms In 2023 – SportsLogos.Net News
Summer of Throwbacks
Eagles propose four new NFL rule changes - Bleeding Green Nation