Golf Monthly on MSN
The Stack Speed Training System review
Frustrated by his ailing distance and inspired by a playing partner's booming drive, Fergus Bisset invested in The Stack ...
What do you get when you pair a biomechanics professor with PING’s vice president of performance? Swing speed. Lots of swing speed. Dr. Sasho MacKenzie and PING’s Marty Jertson are two of the ...
After graduating with a mechanical engineering degree from the Colorado School of Mines, Marty Jertson tried playing professional golf on the mini tours. But when he didn’t make it through Q-School, ...
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