Raiders expected to face Drew Lock on Sunday

Sunday night, it appeared the Las Vegas Raiders would be facing a No. 3 quarterback Sunday when they host the Seattle Seahawks.

Now, though, it seems as if they will be playing a backup.

Seattle head coach Mike Macdonald told a local radio station Monday morning that starting quarterback Sam Darnold will miss his second straight game because of quad and ribs injuries. However, Macdonald said backup Drew Lock is expected to play after he had positive news on an oblique injury. Sunday night, Macdonald indicated No. 3 quarterback Jalen Milroe could face the Raiders on Sunday at Allegiant Stadium.

Still, playing against backup is a good advantage and the Raiders, who are 4-5 and who have lost five…