Nixon personally, but he already received a mission call and didn't go. Based on that I'm not so certain he'll be going on a mission. Hopefully a year at BYU has prepared him to serve.
Kaufusi might not have a a scholarship. His dad works at a the school, and he'd be entitled to a tuition reduction.
Forcing Bartley out would be a rough thing to do to a black, non-member, but he might transfer on his own if he wants more PT.