text: Yes, but the key is to be consistent. \n\nIf they called everything no games would ever be finished. \n\nA replay system would only add to the delays and confusion.\n\nAt the speed the players are moving at, and all of their various body parts moving at incredible speed, it is almost impossible to accurately call everything.\n\nEspecially when one considers the sheer number of things they're expected to watch for.