my buddy shot one like that this season...a buck...the same side the front foot was messed up that side antler was clubed...looked like a mini moose antler the size of a fist....just a antler ball with 5 points that came out of it about an inch all around....pretty neat....the drive leader thinks maybe a thorn got in there and infected it..or it got cut on something or something along those lines......pretty nasty looking in person....