The Ten Pin Alley Bullseye Masters League has chosen to bowl on three PBA patterns in the 2019-20 season: Carmen Salvino 44, Del Ballard 34, Don Johnson 40. Ten Pin can use the patterns because it is hosting a PBA Regional tournament on Sept. 21, giving it access to the PBA pattern library. I also have access to the patterns as a PBA member, but host centers and members are prohibited from publicly posting or disseminating the specific details of the patterns. The only information publicly...