ALLEN PARK — Lions wide receiver Calvin Johnson returned to practice today (Friday) for the first time this week. Johnson has been struggling with a knee injury and on Thursday said he also had nerve damage following a concussion on Sept. 30 against the Vikings.

  Also returning to practice were Cliff Avril (back), Chris Houston (flu), and Titus Young (knee).

 Still missing were Corey Williams (knee), Louis Delmas (knee), Amari Spievey (concussion) and Corey Hilliard (knee).

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