Riddick ruled out for Lions against Rams

ALLEN PARK, Mich. (AP) Detroit Lions running back Theo Riddick has been ruled out for Sunday's game against the Los Angeles Rams because of an ankle injury.

Riddick joins tight end Eric Ebron (ankle, knee), linebacker DeAndre Levy (knee, quadriceps) and defensive tackle Haloti Ngata (shoulder), all of whom have been ruled out as well.

Ameer Abdullah is on injured reserve with a foot injury, and the Lions signed running back Justin Forsett this week to help their depleted backfield.

Defensive end Ziggy Ansah (ankle) is listed as questionable for Sunday.

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AP NFL website: www.pro32.ap.org and www.twitter.com/AP-NFL

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