Stanton will undergo arthroscopic surgery on his left knee and is expected to miss several weeks. The Lions, though, are keeping Stanton on the active roster until they get a more accurate read on when he might be back.
With veteran Daunte Culpepper still sidelined with a toe injury -- he wasn't at practice today -- the Lions signed free agent quarterback Brooks Bollinger. To make room on the roster, the Lions released veteran free agent guard Terrence Metcalf.
Fantasy Impact: