Giving him a starting spot is not going to correct the sophomore consistency slump he's currently in. I'm not going to read through this entire thread to figure out the group think dynamic is on this, but the reality is that he's just off his game. I don't know if he's pressing or if he's still hampered by the injury, either way, inserting him into the starting lineup isn't going to fix these issues.
Building that confidence back up along with recorrecting his lower half shooting motion through practice is going to be the only way.