Even the most profitable bettors will place losing bets - the trick is to use the right staking Whether it is a soccer player being injured, an NFL quarterback being. Sports betting is the activity of predicting sports results and placing a wager on the outcome. The frequency of sports bet upon varies by culture, with the vast majority of bets being placed on association football, American football, . example, a bet that a certain NFL team will win the Super Bowl for the upcoming season. They are football's professional gamblers. They bet on all leagues around the world, and they place their bets, not with the . If I was working as a stats man there, I wouldn't have a clue which teams were being bet on.