The 49ers have to trim their roster down to 53 players by 1:00 p.m. Pacific Time tomorrow. But the 49ers won't make all their roster cuts at once.

Brian Robinson Jr., in his 49ers practice debut, rotated in with Christian McCaffrey in an hour-long, no-pads practice.

John Lynch revealed how the San Francisco 49ers are using recent rebuilds by a pair of NFL teams as inspiration for their own ...