Brock Watson, from left, his father Eldon, and grandfather Phillip Julian, from Pennsylvania, p …

Brock Watson, from left, his father Eldon, and grandfather Phillip Julian, from Pennsylvania, p ...

Brock Watson, from left, his father Eldon, and grandfather Phillip Julian, from Pennsylvania, 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