It is nothing new that sports betting exists and a lot of people invest a lot of time and money in it. A look at one of the websites reveal that In Game #901, ARI vs ATL, ATL received 72% of the ML (moneyline) bets placed on this game, while PIT received 29%.
This is nothing new.
Another fact taken from American Gambling Association states that “Overall, Nevada’s legal sports wagering represents less than 1 percent of all sports betting nationwide. In 2009, $2.57 billion was legally wagered in Nevada’s sports books; the National Gambling Impact Study Commission (NGISC) estimated that illegal wagers are as much as $380 billion annually.”
They have a lot of other great information about sport betting facts which I recomment you check out.