Lee won't be in this mix, no reason to make a 40 man move when you already have this log jam. Much more clarity will come from the deadline.
This conversation is one that unfortunately usually takes care of itself. With the deadline and Sept 1st as important dates they will most likely be able to use a combination of rehabs and other injuries to sort it out. Lewis might still be a month away, Wallner will go back down for Polo and Rocco will find places for Julien to play.
We shouldn't be conflating the rest of this season plans with next year plans though, Two different conversations.