Sports betting origins Sports betting can be traced back over 2,000 years to the Greeks, who started the Olympics that still exist today. The Greek tradition quickly spread to Rome, which regularly hosted gladiator games to bet on. Eventually, the tradition of sports betting spread to England, which rather than gladiator games, were drawn to bet on the English tradition of horse racing. The English spread their love of horse racing to the United States, which quickly embraced the tradition. In fact, by 1890, there were over 314 horse racing tracks opened within the United States. However, in [...]