Green Bay Packers - Wikipedia
NFL approves alternate helmets starting in 2022
Mile High Morning: Alternate helmets approved to return to NFL starting in 2022
A new rule could have kelly green uniforms back for 2022 [UPDATE] - Bleeding Green Nation
Cowboys announce they will wear throwback uniforms for Thanksgiving Day - Blogging The Boys
The Packers Need Better Alternate Uniforms - Gridiron Heroics
Ranking NFL's current throwback jerseys: Eagles' perfect 'Kelly Green'; high marks for Patriots, 49ers
Packers to wear alternate jerseys
NFL approves alternate helmets beginning in 2022
The New NFL Uniforms and Throwbacks Ready to Take the Field - Boardroom
The Packers Have Worn a Ton of Uniforms in the Last 30 Years