Mark Wiebe chips onto the first green during the first round of the 74th Senior PGA Championship golf tournament at Bellerive Country Club Thursday, May 23, 2013, in St. Louis.
Mark Wiebe chips onto the first green during the first round of the 74th Senior PGA Championship golf tournament at Bellerive Country Club Thursday, May 23, 2013, in St. Louis. Tom Gannam The Associated Press
Mark Wiebe chips onto the first green during the first round of the 74th Senior PGA Championship golf tournament at Bellerive Country Club Thursday, May 23, 2013, in St. Louis. Tom Gannam The Associated Press