One number tells you if you're actually improving

It's grind mode during the middle of summer! What can we do to break through and get some good tournament results here towards the end of the season. Let's talk about... In this issue: The practice number Dr. Sasho says matters more than almost anything else you're tracking A practice idea I keep getting more convinced about... and it goes against the usual advice Tiger never hits the same shot twice. Karl does the exact opposite. Who's right? "Swing into trouble." The Tiger rule I'd be a...