"BYU head coach Kalani Sitake said that he's going with Retzlaff and Bohanon because of their experience and leadership, but offensive coordinator Aaron Roderick said that it's too early to comment on whether there's any separation between the quarterbacks. For now, reps with the first-team offense will be split 50/50 until someone separates themselves."
Sounds like it's a close competition to me! But who knows?