Watching Diana Zavjalova bowl, I feel sorry for her. Yes, sorry. The only female bowler I have ever seen throw a ball more powerfully than Zavjalova is Michelle Feldman — watching Zavjalova brings to mind men like Mike Fagan more than other current women, as I wrote when she won the USBC Queens last year. And Zavjalova’s fundamentals are solid, helped no doubt by the great coaching and training she gets at Webber International University and Kegel. It's scary to think...