Ahmad Wagner would have two years of eligibility if he says with Hawkeyes, would have to sit out 2018 at another FBS school.
The Oklahoma transfer will compete with Florida State transfer De’Andre Johnson for starting job.
The offensive lineman was in line for a starting job prior to decision to leave the sport.
Womack started all 14 games in Tide’s run to 2017 national title.
Prior to KU, Todd Bradford’s coaching job was as the DC at Maryland in 2011.