It may very well be proportional to the amount of "money" bet on the outcome. I don't bet on sports, (maybe the dog/horse track)(once in a blue moon), but I know many that do.
Play-offs are the last chance to get even-hit that long shot-or dig that hole so deep you'll never get out.

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There's one way to find out if a man is honest-ask him. If he says "Yes", you know he's a crook. Groucho Marx