Calvin: Call it. Hobbes: Heads. Calvin: You said "tails", right? Hobbes: I said heads. What a play! I'll bet it takes you four downs just to get back on the field. Calvin: I think football is a sport the way ducks think hunting is a sport.
Why most leagues have rules about who is eligible.
Besides, isn’t the ball spotted where the tackle occurs—that is, at the furthest point of the runner’s advance?