NFL approves alternate helmets starting in 2022
Panthers unveil new black alternate helmet for 2022 that marks first helmet change in franchise history
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Eagles unveil alternate black helmet for 2022 season
Bengals Asking NFL to Change Alternate Helmet Use Rules
Houston Texans unveil alternate red helmet for first time
NFL will allow teams to use alternate-color helmets again, starting in 2022 - NBC Sports
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Auburn offers first look at alternate helmets for Penn State; Fans have spoken on orange jerseys
Saints unveil new black alternate helmets for 2022 season
Jets Unveil New Stealth Black Alternate Helmet
NFL 2023: New Uniforms, Helmets for 13 Teams