ALLEN PARK -- Amon-Ra St. Brown and David Montgomery are trending in the right direction for the Detroit Lions. But the team isn’t as optimistic about Taylor Decker, Kalif Raymond or Carlton Davis III’s status for Thanksgiving against the Chicago Bears.

The powerful running back picked up a big chunk on a screen pass and lowered his shoulder to truck through a tackle before eventually going down. The injury wasn't obvious at the time, but after the play,