ALLEN PARK — Three key Lions sat out practice today — wide receiver Calvin Johnson (knee), quarterback Matthew Stafford (shoulder) and safety Louis Delmas (ankle). Stafford is not likely to play on Sunday against Arizona while Delmas and Johnson are question marks.

Also the Lions signed veteran long snapper Nathan Hodel to fill in for Don Muhlbach (concussion). Hodel snapped for the Cardinals from 2003-08, then was signed by New England and cut by the Patriots in March. He arrived late for practice and went right to work.

To make room on the roster rookie tight end Dan Gronkowski was cut. Gronkowski, a seventh-round pick out of Maryland, had been on the practice squad until Dec. 1 when Brandon Pettigrew was placed on injured reserve.
— PAULA PASCHE