HUMBLE, TX - MARCH 30: Phil Mickelson smiles as he walks up the 18th fairway during the third round of the Shell Houston Open at the Redstone Golf Club on March 30, 2013 in Humble, Texas. (Photo by Scott Halleran/Getty Images)
HUMBLE, TX - MARCH 30: Phil Mickelson smiles as he walks up the 18th fairway during the third round of the Shell Houston Open at the Redstone Golf Club on March 30, 2013 in Humble, Texas. (Photo by Scott Halleran/Getty Images)