Gus Malzahn continues to add to his coaching staff with the addition of Charlie Harbison as co-defensive coordinator and defensive backs coach and Ryan Russell as strength and conditioning coach.
Harbison was hired away from Clemson, where he worked as co-defensive coordinator and defensive backs coach for four years.
Harbison is familiar with new defensive coordinator Ellis Johnson and has worked with him at Mississippi State and Alabama.
Russell was the director of athletic performance for Arkansas State before following Malzahn to Auburn.
Russell was also the assistant strength and conditioning coach at Auburn from 2010-11 and associate strength and conditioning coach at Boise State from 2007-09.
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