You might not know Zach Wilkins, but he bowled like anything but an unknown in taking the first-round lead Friday at the 2016 U.S. Open at South Point Bowling Plaza in Las Vegas. Serious bowling fans know that Wilkins is a Canadian who won gold medals in trios and all-events at the 2016 Pan American Bowling Confederation Adult Championships in Cali, Colombia, in September. Those medals came against a U.S. team that featured some of the top stars of the PBA Tour. So it should come as no...