ALLEN PARK — Cornerback Rashean Mathis, who was not on Wednesday’s injury report, did not practice today (Thursday). 

Five others remained out: DeAndre Levy (foot), Brandon Pettigrew (ankle), Calvin Johnson (knee), Darius Slay (knee) and John Wendling (ankle).

Slay, who had knee surgery on Dec. 6, was working with trainers on the sidelines.

Johnson went through stretches with his teammates.

Chris Houston was back at work. He was limited on Wednesday after missing Monday night’s game with turf toe.

In practice squad moves: Wide receiver Patrick Edwards was placed on practice squad injured reserve. Tight end Matt Veldman was signed to the practice squad. Veldman was in training camp with the Lions and released on Aug. 31. He spent the 2012 season on injured reserve with Jacksonville.

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