You can bet on your team, and you can win except for cases when the incredible, the truly bizarre, happens.
Gambling means taking chances, and betting means taking those chances - generally - according to the odds, but in some cases the truly random and strange happens, like what was experienced by everyone watching a match between the Minnesota Vikings and San Francisco 49ers on October 25, 1964; we are talking, naturally, about NFL American football.
Jim Marshall managed to capitalise on a mistake made by the 49ers and grabbed the ball. Immediately he began to run as fast as he could and soon felt the tackle attempts happening around him, everywhere. What he didn't notice is that the rest of the Minnesota Vikings were attempting to stop him, and not the San Franciscans.
He ran more than two thirds of the whole field and scored spectacularly… against his own team.