There are plenty of great storylines in play as the 2013 United States Bowling Congress Masters headed to match play Friday. They include Pete Weber and Chris Barnes seeking to join Mike Aulby and Norm Duke as winners of the Grand Slam — the USBC Masters, PBA Tournament of Champions, U.S. Open and PBA World (nee National) Championship — and Walter Ray Williams Jr. aiming to join Aulby as the only 3-time winners of the Masters. There’s also a mix of intriguing non-PBA Tour...