49ers to sign quarterback Josh Rosen off Buccaneers practice squad following Nick Mullens injury, per report | CBS Sports Headlines 49ers to sign quarterback Josh Rosen off Buccaneers practice squad following Nick Mullens injury, per report Rosen, a former top-10 overall pick by the Cardinals, has a chance to start … Continue reading 49ers to sign quarterback Josh Rosen off Buccaneers practice squad following Nick Mullens injury, per report