There is a particular difference between what Colin Kaepernick is doing and what Derrick Rose is doing after they are both coming off productive seasons with their respective franchises. Derrick Rose is negotiating with teams that have proven point guards, like the Cavaliers, and is willing to take a backseat role in order to just play in the league. The ego of Colin Kaepernick just won't let him do the same.
Doug Gottlieb explains the main distinction between ego-driven decisions and willingness to sacrifice a little bit to remain employable. Listen here: