Veteran left tackle Joe Staley is ending his NFL career after 13 seasons with the 49ers.
Staley announced his retirement on social media on Saturday afternoon, citing health concerns as the reason for his decision.
"After 13 incredible seasons with the San Francisco 49ers, and many recent months of consideration, it is with very mixed emotions that I am announcing my retirement from the NFL. The game of football has been a true passion of mine since I was eight, but my body is telling me it's time," Staley said.
"Last season was a dream to be a part of, having the opportunity to chase a Championship.