Tammy Beggs, left, and her boyfriend Steve Stefanoff, of Tulsa, Okla., play the Sigma Derby mac …

Tammy Beggs, left, and her boyfriend Steve Stefanoff, of Tulsa, Okla., play the Sigma Derby mac ...

Tammy Beggs, left, and her boyfriend Steve Stefanoff, of Tulsa, Okla., play the Sigma Derby machine at the D Las Vegas hotel-casino in Las Vegas, Friday, Aug. 23, 2019. (Erik Verduzco / Las Vegas Review-Journal) @Erik_Verduzco