Forget pictures....we need MMA smilies. Preferrably, A. Silva's facial expression when they booed him before he stole Forrest's soul and Chuck's lifeless body when Rashad knocked him out. It could be the new derrick rose/suge knight *dead* smiley.
But yeah, "Shadface" is probably the G.O.A.T. mma pic
But yeah, "Shadface" is probably the G.O.A.T. mma pic