I don't think Pressey will get that much time. I see the first sub being Smart for AB, then a couple minutes later AB coming in for Rondo. Then Turner would get the remainder of the guard minutes (not many), plus splitting the back up 3 minutes with Wallace.
I also think Bass ends up starting because he is a leader and can organize our defense. I expect Olynyk to start with him.
In the end I expect our regular rotation players to be Rondo, Bradley, Green, Bass, Olynyk, Zeller, Sullinger, Smart, Turner. then some others will get time as the season goes along.