Saffold's injury appeared to be a freak one. He was providing pass protection for Sam Bradford's go-ahead touchdown pass to Brandon Gibson with 9:45 remaining in the fourth quarter when his head struck the back of the Lions' Sammie Hill. Saffold fell to the ground and stayed there.
Rams players gathered in a circle, apparently in prayer, as medical personnel tended to Saffold and transported him off the field.
The Rams have had bad luck with injuries at offensive tackle. Former starting right tackle Jason Smith, subsequently traded for Hunter, suffered a concussion while attempting to make a tackle following an interception at Dallas last season. Saffold suffered a torn pectoral while lifting weights late last season.
Depth on the offensive line was already a potential concern for the Rams.
The Lions have subsequently scored the tying touchdown, pending an extra point.