PBA50 World Series of Bowling II starts Monday and runs through the following Monday at JAX60 in Jackson, Michigan. The competition is for four PBA50 Tour titles on four different lane patterns: Del Ballard 36, Amleto Monacelli 40, and Johnny Petraglia 46 for the name events, and Earl Anthony 43 for the PBA50 World Championship, the fourth of five majors this season. PDFs of the patterns are attached to this story. The Ballard Championship is Monday and Thursday with scores here, the Monacelli...