FLAGSTAFF, ARIZ. (AP)
The Arizona Cardinals have signed running back Thomas Clayton and guard-center Rich Ohrnberger.
In corresponding moves, the Cardinals released wide receiver Stanley Arukwe and waived-injured center Ryan Bartholomew.
Clayton appeared in three games with the Cleveland Browns last season. In 2010, he played in one game for New England and two with the Browns. Ohrnberger spent the last three years with the Patriots but missed all of last season due to injury.
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