Fumbles at the one by your running back: the most heartbreaking and gut-wrenching play in sports. With passing, a majority of the outcomes are negative; you could either have the pass fall incomplete or picked off, compared to the lone positive of having the pass completed.
Penalty kicks in soccer are just plain weird when you think about it – and they are basically a glorified guessing game. Blown saves in the bottom of the ninth are up there, but those situations normally have a tell-tell sign that everything is about to hit the fan.
Losing the ball at the one is one of those moments that gets burned into a fanbase’s memory.