Mickelson already looking forward to "green jacket" title defense

In the seven years since Phil Mickelson rolled in an 18-footer for birdie to win his first Masters, he has made a point in every ensuing Masters of returning to that same spot on the 18th green at Augusta National to re-create the magic with a few practice putts.Since then, the most memorable shot Mickelson has struck at Augusta came last year at the par-5 13th hole on Sunday, when he ripped a