Raiders unsure at QB before Chargers matchup

(Photo credit: Stephen R. Sylvanie-USA TODAY Sports)
The Las Vegas Raiders have three quarterbacks on their roster, and any of them could take the field on Sunday afternoon at the Los Angeles Chargers.

Jimmy Garoppolo started and finished the first three games of the season for Las Vegas, but he was placed in concussion protocol following a 23-18 loss to the visiting Pittsburgh Steelers on Sunday night.

Raiders coach Jo