If you do kill a buck this late, may be careful about dragging him by the antlers, might pop right off! I think Jared made a post the other day about seeing some that have already shed, and I'm sure he would know. I have not seen any yet and don't really start looking till late February.
Saw a guy shoot a giant Ohio buck on a hunting show once, in the 180" class. They drug it about 10' and right one popped off! So much for that B&C score