Stafford has a partial tear in a ligament in his right-handed thumb, NFL Network's Tom Pelissero reported Tuesday, per a source.
While the Lions will take the week to see how Stafford throws the ball, the quarterback often regarded for his toughness is expected to start, Pelissero added.
The thumb injury looked to have come to be Sunday against Washington on a sack by defenderKevin Pierre-Louis that was nullified by a penalty. Stafford taped up his thumb and continued playing.
Plagued by a back injury last season, Stafford had a streak of 136 consecutive starts snapped in 2019. So far in 2020, Stafford, who is coming off a three-touchdown showing against Washington, has 2,403 yards passing, has completed 198-of-311 passes (63.7%) and tallied 17 touchdowns to seven interceptions.