There's a good chance that Rick Miller is the best bowler you've never heard of. If you've heard of him, you know how good he is. And if he'd ever gone after the PBA Tour, you'd have known him. I've known the 40-year-old Lincoln, Neb., left-hander for many years after banging heads with him in PBA Regionals and other tournaments. In the last couple of weeks, Miller added to his stellar resume by winning the Super Bowl High Roller ($30,000) and the Winter Mini-Eliminator ($20,000). That...