This question may have been asked before.
But I'm still quite curious about someone's winnings. I often see people achieve fantastic wins with very small bets.
The possibility of it happening in sports game is very hard. It can be possible in casino games as there are slot games with 150,000x multipliers. Lets do the calculation - $0.2 × 150,000 = $30,000.
A casino gambler need to be very lucky to get this kind of profit from slot game. Except from winning a lottery ticket or a jackpot I have never seen anyone won this in a casino game.