Ranking NFL alternate, throwback helmets for 2022, from Panthers' black to Giants' classic look
23 Questions That Could Shape the 2023 NFL Season - The Ringer
Philadelphia Eagles Roll Out Kelly Green Throwback Uniforms
Philadelphia Eagles finally adding Kelly Green alternate uniforms - Philadelphia Business Journal
Throwback uniform - Wikipedia
The 2023 Uni Watch NFL Season Preview - by Paul Lukas
Eagles to wear Kelly green alternate jerseys in 2023 season - CBS Philadelphia
Philadelphia Eagles Returning Kelly Green Uniforms; What Does it Mean for Black Helmets? - Sports Illustrated Philadelphia Eagles News, Analysis and More
A new rule could have kelly green uniforms back for 2022 [UPDATE] - Bleeding Green Nation
Kelly green is back! Eagles will wear new alternate jerseys starting in 2023 - Bleeding Green Nation