Update: After completing his checks, Jerry Rich Jr. reports that four other men besides his dad, Jerry Rich Jr., have competed in at least 50 USBC Open Championships and 50 Petersen Classics. Here is the list with Open Championships years first and Petersen years second: Sylvester Thiel of Lake City, Minnesota, 70/61; Dick Rice, Platteville, Wisconsin, 60/51; Val Medich Sr., South Bend, Indiana, 51/51; and James Smith, two hometowns listed, 50/52. Thiel, of course, just...