Most Heat fans want Caleb to stay, but with the issues with the cap and the second apron, they want to atleast get some assets if he leaves.
Caleb Martin is a great playoff-tested do-it-all wing that can fit right in with the grizzlies, and add some apart either from the wing or off the bench.
The Knicks throw a second rounder for Knicks legend Derrick rose, who adds depth at the guard spot.