Rookie first-round pick Ziggy Ansah of the Detroit Lions was back at practice on Thursday, according to MLive.com.

Ansah, the fifth overall pick in the 2013 draft, has not practiced since Aug. 24 due to a concussion, one that the Lions were not quick to acknowledge. Thursday's practice was not a padded one for the Lions.

Safety Louis Delmas was also back at practice after missing some time with a knee injury.

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Terry McCormick covers the Titans for TitanInsider.com