The United States Bowling Congress and Bowling Proprietors’ Association of America continue to tinker with the U.S. Open, flattening the prize fund, adding an 8-ball limit, and banning ball surface alteration during the practice time before each round for this year, after hiding the lane pattern information until practice day and moving to one oiling per day last year. Details on the prize fund changes are in this story, and details on the competitive rule changes for this year are in...