I hope they hold Gaudreau back and think it would be irresponsible to activate him so soon. Even if his recovery is progressing very well, the first time he steps on the ice he's going to get slashed again, simply because he gets slashed every game. He needs to be completely healthy when that happens, IMO. Also I think given the nature of this injury and the fact he's able to keep practising while he's out it might be a good idea to make him wait until he's going a little stir-crazy; I hypothesise there's a higher chance of him playing very well from the get go if he's felt able to play for a while.
Also play him with someone other than Monahan, FFS.
In any case: