The Cleveland Browns have signed veteran quarterback Tyler Thigpen, and he'll now begin preparing to play Sunday against the Ravens, according to a league source.
The Browns attempted to convince quarterback Rex Grossman to sign with them, but a source said he declined their offer.
Browns rookie quarterback Connor Shaw took the first-team snaps in practice Tuesday and is preparing to start. Thigpen is expected to back him up.
Johnny Manziel is out for the season with a significant hamstring injury and Brian Hoyer is dealing with a shoulder injury.
Thigpen, who was with the Browns during the preseason before being released, has passed for 3,222 career yards, 21...