CMV: American Football is no more of a "chess match" than any other sport. The game is just slow enough and has enough pauses enabling the casual viewer to be more perceptive of the tactical aspects of the game.
from /r/changemyview
CMV：美式橄欖球並不比其他運動更像一場 "象棋比賽"。比賽只是速度夠慢，有足夠的停頓，使普通觀衆能夠對比賽的戰術方面有更多的感知。