With Jimmy Garoppolo in concussion protocol, Raiders' starting QB vs. Chargers is unknown

Jimmy Garoppolo has been preparing as if he's going to be the Las Vegas Raiders' starting quarterback on Sunday against the Los Angeles Chargers. The Raiders' medical staff will make the call, and that might not happen until shortly before game time. Garoppolo, who's in the concussion protocol, was limited in Thursday’s practice and has been taking part in meetings.