when maximus is fighting the so-called undefeated gladiator, he kills him(the undefeated). At the end of the shot, he has a cut on his neck. It looks real, as do all of the blood shots in the movies,but when he turns to the crowd,camera moves w/ him, the blood is gone and there is no sign of a cut any where on his neck. If you want to look closely for it, it is supposed to be on the left side of his neck. That cut healed fast!