Sports Phil Mickelson says he lost 15 pounds with a six-day fast before British Open July 15, 2019July 15, 2019Golfweek Staff Writer, GolfweekComments Off on Phil Mickelson says he lost 15 pounds with a six-day fast before British Open Golfer Phil Mickelson, who turned 49 last month, says he has lost 15 pounds by fasting for six days before this week's British Open.