- Brian Bennett, ESPN Staff Writer
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New Penn State head coach Bill O'Brien has only been on the job for a little more than a week, but he has already hired all but one of his assistants.
The school officially announced the hiring of Ted Roof as defensive coordinator and John Butler as secondary coach on Friday. Both guys come from the SEC.
O'Brien only has to hire a quarterbacks coach to complete his staff. The New England Patriots offensive coordinator has said he will call his own plays with the Nittany Lions and will not name an offensive coordinator.
Roof was Auburn’s defensive coordinator and linebackers coach from 2009 until this season and oversaw the defense on the Tigers' national championship team last season. He was named Central Florida's defensive coordinator on Dec. 8 before the Penn State job came along. Roof worked with O'Brien when both were assistants at Georgia Tech.
Butler was South Carolina's special teams coordinator and outside linebackers coach last season. He served on the same Minnesota staff as Roof in 2008.
Roof and Butler join veteran Penn State coaches Larry Johnson (defensive line) and Ron Vanderlinden (linebackers) on the defensive coaching staff. O’Brien previously had announced four members of the offensive coaching staff: Stan Hixon (assistant head coach/wide receivers), Charles London (running backs), Mac McWhorter (offensive line) and John Strollo (tight ends).