During the final bullfight, the bull's blood appears on the matador's pants in one shot. In the next shot, his pants are pristine white, then are bloody again in subsequent shots.
While in the car driving in the country the matador and his manager are talking about the three rules and the manager's cigarette switches sides of his mouth from shot to shot throughout the scene without the camera showing that he moved it in the previous shot.
The young challenger matador's hat is missing as the camera moves from long shot to the close-up. He was in mid swing of his cape with nowhere he could have placed the cap, no one near enough to hand it to, and it is not on the ground.
During the final bull fight, Brody has blood on his cheek, then the blood disappears and then comes back again.