49ers considering alternate red helmet for future seasons, per report
San Francisco 49ers - Wikipedia
Browns unveil white alternate throwback helmets
The 49ers are reintroducing the '94 reds: The history behind the throwback uniforms - The Athletic
Brock Purdy: From 'Mr. Irrelevant' to beating the NFL's GOAT
A Rival's Advice Put the 49ers on a Super Bowl Path - The New York Times
Photo gallery of 49ers new throwback alternate uniforms for 2018 - Niners Nation
Cowboys Doomed by Miscues Against 49ers' Defense - The New York Times
The New NFL Uniforms and Throwbacks Ready to Take the Field - Boardroom