BALTIMORE _ Running back Tre Mason, who was not on the Rams' injury report this week, was a surprise inactive for the team Sunday. Minus Mason, the Rams have only three running backs on their game-day roster for Baltimore _ Todd Gurley, Benny Cunningham, and special teams ace Chase Reynolds.
Wide receiver Tavon Austin also has been known to take a play or two in the backfield.
Other Rams inactives are QB Sean Mannion, S Christian Bryant, TE Justice Cunningham (finger), OT Isaiah Battle, RT Rob Havenstein (calf), and DE Robert Quinn (hip/back).
But defensive end Chris Long, who has been sidelined since the Rams' Oct.