Associate head coach/special teams coordinator/safeties: Joe DeForest
Left OSU for: West Virginia, where he was hired by Holgorsen to be the Mountaineers' defensive coordinator following the 2011 season.
Currently: Still with West Virginia, though he was demoted to special teams coordinator following a disastrous 2012 season where the Mountaineers had one of the worst defenses in college football.
Replaced by: Van Malone at safeties coach, graduate assistant Ty Linder at special teams coordinator
Offensive line coach: Joe Wickline
Left OSU for: Texas, where he joined longtime friend Charlie Strong's staff as the offensive coordinator and offensive line coach last month.
Currently: Preparing for his first season in burnt orange.
Replaced by: Bob Connelly, who was hired by OSU last week.
Wide receivers coach: Gunter Brewer
Left OSU for: Mississippi, where he became associate head coach, passing game coordinator and receivers coach on Houston Nutt's staff for the 2011 season.
Currently: The passing game coordinator and wide receivers coach at North Carolina, where he has been reunited with fellow former Cowboy assistant Larry Fedora.
Replaced by: Kasey Dunn
Inside receivers coach: Doug Meacham
Left OSU for: Houston, where Tony Levine hired him as offensive coordinator following the 2012 season.
Currently: The offensive coordinator at TCU, after Gary Patterson hired him for that post in December.
Replaced by: Jason Ray
Running backs coach: Robert Gillespie
Left OSU for: West Virginia, where he joined Holgorsen on staff following the 2010 season.
Currently: The running backs coach at Tennessee, where he's about to enter his second season.
Replaced by: Jemal Singleton
Cornerbacks coach: Jason Jones
Left OSU for: Mississippi, where Hugh Freeze hired him just before spring practice began last year to be the co-defensive coordinator and cornerbacks coach.
Currently: About to enter his second season in Oxford.
Replaced by: Tim Duffie, who was added to the staff as safeties coach while Van Malone switched to cornerbacks.