Recommendation: Initial reports seem to indicate the injury is minor, but perhaps more concerning is the fact Richardson struggled while active in what appeared to be a very favorable matchup. He remains a nice option in all formats if he can return next week at Indianapolis, though he may share carries with Montario Hardesty who ran well in his absence.
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Update: Richardson was forced to leave Sunday's game against the Bengals with a rib injury. Before exiting, he compiled just 37 yards on 14 carries and brought in two receptions for 17 yards.