Colorado fans wagered $25.6 million in first month of legal sports betting Tiney Ricciardi, Denver Post · July 14, 2020 at 12:54 am Colorado’s sports betting industry kicked off May 1 during a global pandemic and in the absence of most major league sports. But that didn’t stop fans from placing bets — particularly on ping pong. According to the Division of Gaming, Coloradans wagered more than $25.6 million on various competitive events during the first month of legalized betting. Table tennis was the most popular sport to bet on, garnering about $6.6 million in wagers, followed by MMA fights, baseball, soccer and golf. The state collected more than $95,000 in taxes from gaming revenue in May, the division reported.