The new head coach of the Iowa Hawkeyes explains how he coaches defense, misnomers about his offense and the roster he's building in Iowa City.

Luke Barnwell was an assistant coach for two years at Texas Tech before joining McCollum’s Hawkeyes. The Red Raiders went to the NCAA tournament’s Elite Eight this season. Luke Barnwell, an assistant coach on Texas Tech’s Elite Eight men’s basketball team in the season just ended, has joined Ben McCollum’s first Iowa coaching staff.