The history of legal sports gambling in the U.S. – The Washington Post

There are few immutable principles of sports betting, but one thing is certain: If a game is being played, people are going to gamble on it. This fact has been borne out over the history of professional sports in this country. Betting — legal or otherwise — has been a constant sideshow, one that exploded into the forefront this century with the 2018 legalization of sports gambling.