The biggest competition is at the 3 spot. I expect Stewart there, but he's honestly better at the 4. Mullins will need to be physically strong, capable inside in order to win the starting SF spot. My guess is he comes off the bench at 2/3. Furphy could really blow this all up. If Reibe isn't all that, I could see Alex playing more 5 this year, with Stewart at 4 and Mullins/Furphy/Ross at 3.
PG: Demary (20), Smith (20)
SG: Solo (25), Demary (5) Mullins (10)
SF: Stewart (15) Mullins (15), Ross/Furphy (10)
PF: AK (25), Stewart (15)
C: Reed (25), Reibe (15), AK (5)