lifying and not break a sweat. So guess who is leading after Tuesday’s first round at Sam’s Town in Las Vegas? Yes, it’s defending champion Dino Castillo, who fired games of 249, 277, 262, 240 and 237 for 1,265, a 253.0 average. The defending champions of the USBC Masters, Senior Masters, Queens, and Senior Queens all are guaranteed spots in match play in those tournaments. They... subscribe to read more. Social Media: