Writing this as something of a question for cap-knowledgeable people out there.
If the Celtics were to lose Kyrie and Horford, but fill up their cap space with other FAs (like Kemba Walker, Vucevic plus others, whatever) could they still generate trade exceptions with their outgoing FAs to be used to go over the cap?
For instance, before signing any FAs of their own, could they trade Kyrie into Brooklyn's cap space (and throw in something minor, like a future 2nd-rounder, to make it worth their while) and generate an exception that way? In that scenario, would they still have the cap space to add players, but keep that trade exception in their back pocket to add role players and such?
Please chime in and let me know if this is realistic.