Small sample size, but Rozier has shown steady improvement since summer league up until now. The high level and consistent play in the playoffs is the end game, so as long as he doesn't bomb the rest of the post-season, I honestly think he can fetch a pick between 6-12 range.
There aren't as many NBA ready PG's in this draft, and there are a lot of teams in need of the skill set that Rozier offers.
I think by draft night, teams will be willing to trade a guy like Bamba or Wendell Carter, who yes offer a ton of upside, but are not as "surefire" as Ayton/Bagley. Plenty of teams would likely rather hedge the risk of one of these guys being a bust, to bring a proven talent like Rozier.
Bamba/Carter would be a great addition once Kyrie returns as the starting PG.
Baynes has had a very mercurial post season, and Monroes inability to get on the court, proves our need for a rim protector to also allow Horford to do more of what he is best at, would be huge for Stevens in terms of personnel.