Brian Robinson Jr., in his 49ers practice debut, rotated in with Christian McCaffrey in an hour-long, no-pads practice.
SANTA CLARA – Once Brian Robinson Jr. made his 49ers practice debut Monday next to Christian McCaffrey, Robinson made a promise that could resonate around the NFL.
“My job right now is just to complement him the best way I can,” Robinson said, “and w... [4796 chars]