Before revision: This is due to the fact that those sites don't consider the human element of the game, and that a batter with a .330 ERA may strike out when the bases are loaded, or a quarterback with a 100+ passer rating may throw an interception at a crucial time.
After revision: This is due to the fact that those sites do not consider the human element of the game, and that a batter with a .330 ERA may strike out when the bases are loaded, or a quarterback with a 100+ passer rating may throw an interception at a crucial time.