Ryan was let go Tuesday, a day after running backs coach Skip Peete was fired. Cowboys coach Jason Garrett announced the move in a release.
Ryan spent two seasons with the Cowboys after he was fired two years into the same job in Cleveland. Dallas missed the playoffs both years with Ryan.
The Cowboys finished with four starters on injured reserve. A fifth starter, nose tackle Jay Ratliff, was limited to six games by ankle and groin injuries.
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