NFL Nation: nfl injury

ALLEN PARK, Mich. -- Wide receiver Calvin Johnson did not practice Wednesday for the Detroit Lions, although that shouldn't be a concern at this point.

Earlier this season, he took some Wednesdays off.

More pressing was Detroit's offensive tackle issue. Jason Fox returned to practice at one tackle and LaAdrian Waddle, who played both left and right tackle in relief of Riley Reiff and Corey Hilliard on Sunday, was at the other.

Also missing from practice were safety Louis Delmas, wide receiver Nate Burleson and defensive tackle Andre Fluellen.

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