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Allen Park — The Detroit Lions were down just one player during Thursday's practice, with running back Theo Riddick sidelined for the second consecutive day. 

Riddick popped up on the practice report with a knee injury this week. It's not known whether the injury was suffered during the team's Week 5 victory over the Packers or during last week's bye. 

Riddick played a season-low 19 snaps against the Packers. He's averaged nearly 27 on the season. He's carried the ball eight times, while catching 23 passes for 138 yards. 

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If Riddick is unable to play against the Dolphins this week, it opens the door for Ameer Abdullah to have a larger role.

A healthy scratch the first four games, Abdullah was active and served as the Lions kick returner against the Packers. The team's leading rusher from a year ago, he has yet to play an offensive snap this season. 

jdrogers@detroitnews.com

Twitter: @Justin_Rogers

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