NFL Week 5 Power Rankings 2023: How all 32 teams stack up - ESPN
49ers considering red helmets from the '55 season for 2022 - Niners Nation
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NFL to allow teams to use alternate-color helmets starting in '22 - Niners Nation
49ers news: Where are the 49ers alternate helmets? - Niners Nation
49ers considering a red helmet worn in 1955 as a second helmet for 2022 - NBC Sports
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49ers uniform undergoing several changes for 2022, could be setting stage for return of red helmets