Schefter reports that FB John Lovett has suffered an ACL injury and will miss the rest of the season.
Lovett had appearaed on the injury report with a knee injury this week and had gone from a full to a limited participant from Wednesday to Thursday.
A 6-foot-2, 234-pound second-year player out of Princeton, Lovett was originally signed by the Chiefs and spent his rookie season on injured reserve.
He played quarterback in college, appearing in 26 games and completing 208 of 313 passes (66.5 pct.) for 2,509 yards and 31 touchdowns with just five interceptions.