I have three (MVP candidates, superstars and solid All-Stars), which is worrisome. The best player the team can reasonably think to acquire are at best in that third tier but might be in Murray's tier. That's why they're nowhere near ready to make an all-in trade at this time.
Just for fun, the 2014 Spurs with the same categories:
All-Star: Parker, Duncan
Lower Star/Above-average rotation player: Ginobili, Leonard
Solid Rotation Player: Green, Diaw, Splitter
Rotation player with room to grow: Mills
Rotation player with role-player ceiling: Belinelli, Bonner
Flawed by not hopeless prospect: Daye, Joseph, Baynes,
Meh: Ayres, James
That's a much better distribution.