Tale of the Tape: UNC vs Iowa Posted Dec 3, 2014 The numbers make this a match-up of two good defenses with UNC having a much better offensive efficiency than Iowa. After the Butler game and considering UNC presently is giving an offensive rebounding rate of 36.8% there will be a great deal of focus on UNC's ability to rebound. Iowa comes in with plenty of size including a legitimate 7-footer in Adam Woodbury who UNC recruited. (Tar Heel Blog)