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The linebacker tore his right pectoral muscle against the Titans on Sunday.
Colt McCoy entered the game in the second half as the Redskins snapped a four-game losing streak.
The Redskins actually have a chance to win against the hapless Titans.
Check out some of the images from Sunday's Redskins game.
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The Redskins' starting quarterback will begin working in individual drills Wednesday.
The Redskins are 1-5. That's pretty much it.
The Redskins will attempt to snap their three-game skid against the Cardinals.
The Redskins lost again Monday, their seventh straight loss in primetime.
Back when the schedules were dreamed up, tonight was supposed to be a quarterback battle...
Griffin could be back from his ankle injury by the end of October.
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