Golf Digest: Jin Young's Advice for hitting greens

“ I also work hard on having a consistent strike. I spent a month after the Olympic Games practicing from 8 a.m. until dinner getting my swing ready for the Tour Championship. I know that much practice is not an option for most of you, so I’d say the best thing you can do for solid contact is always take one more club and swing at about three-quarters of your maximum speed.”

Pros vs Joes. Says it all right there.