If the Knicks want to move him. My guess is they probably want to keep him around for any deals they seek that may materialize this summer, when his cap number can be tossed in with Fournier to bring back a salary of up to $34 million (hello, KAT, DeAaron Fox, SGA, etc.). Maybe something materializes in the meantime, but I would be surprised if they dumped him just to dump him. Also, name the team out there dying to get themselves this version of Walker? And where is the lateral (i.e, non-star) trade that makes the Knicks materially better? I also dont think they move him just anywhere. This organization has long been concerned with being in the good graces of agents, and I doubt Leon Rose, a former agent himself, wants to jeopardize that.
So Walker likely stays and, I guess, rides the bench the rest of the year barring multiple injuries to key pieces. That is the reality of this move: Walker, even with his numbers, has arguably been the fourth best point guard on this team after Rose, Quickley and Burks. If the Knicks think Deuce McBride could give them 15 spot minutes in a pinch, there is little to no fear that this will turn into an uncomfortable situation where Walker is in and out of the rotation.