How did props betting get started? What was the first prop? But we’ll give the quick recap if you haven’t. Props are simply outcomes that are not related to the actual score of the game and can be based on team stats or player performances.īy now, most football bettors know the story of how football props got started. NFL props betting has evolved from a single novelty bet in a single game to one of the dominant ways to bet in just a few decades.