Kyle Shanahan on keeping Jimmy Garoppolo: 49ers happy to have 'a starting QB as a backup' | CBS Sports Headlines Kyle Shanahan on keeping Jimmy Garoppolo: 49ers happy to have 'a starting QB as a backup' Shanahan says it cannot be a bad thing to have Garoppolo backing up Trey … Continue reading Kyle Shanahan on keeping Jimmy Garoppolo: 49ers happy to have 'a starting QB as a backup'