Senior and super senior bowlers head west starting this weekend for the PBA50 Northern California Classic presented by MOTIV, the USBC Super Senior Classic, the USBC Senior Masters, and the Suncoast PBA Senior U.S. Open presented by Storm. The Super Senior Classic is for players 60 and older, and the final two events are majors. Michael Haugen Jr., the 2017 PBA50 Rookie of the Year, leads the PBA50 Tour points list and has one title this year: the PBA50 Johnny Petraglia BVL Open...