Matt Kuchar hits off the tee on the 10th hole during the third round of the Houston Open golf tournament, Saturday, April 5, 2014, in Humble, Texas. (AP Photo/Patric Schneider)
Sergio Garcia hits off the tee on the 10th hole during the third round of the Houston Open golf tournament, Saturday, April 5, 2014, in Humble, Texas. (AP Photo/Patric Schneider)
Henrik Stenson hits out of a bunker on the eighteenth hole during the second round of the Houston Open golf tournament on Friday, April 4, 2014, in Humble, Texas. (AP Photo/Patric Schneider)
Fans walk between holes during the second round of the Houston Open golf tournament on Friday, April 4, 2014, in Humble, Texas. (AP Photo/Patric Schneider)
Matt Kuchar takes his second shot from a bunker on the eighteenth hole during the second round of the Houston Open golf tournament on Friday, April 4, 2014, in Humble, Texas. (AP Photo/Patric Schneider)
Keegan Bradley hits out of a bunker on the eighth hole during the second round of the Houston Open golf tournament on Friday, April 4, 2014, in Humble, Texas. (AP Photo/Patric Schneider)
Phil Mickelson gives a thumbs-up to fans as he walks to the ninth hole during the second round of the Houston Open golf tournament, on Friday, April 4, 2014, in Humble, Texas. (AP Photo/Patric Schneider)
Ryo Ishikawa takes his second shot on hole eight during the second round of the Houston Open golf tournament, Friday, April 4, 2014, in Humble, Texas. (AP Photo/Patric Schneider)
Ryo Ishikawa tees off on the 12th hole during the second round of the Houston Open golf tournament, Friday, April 4, 2014, in Humble, Texas. (AP Photo/Patric Schneider)
Matt Kuchar reacts after a par on the nine hole during the second round of the Houston Open golf tournament, Friday, April 4, 2014, in Humble, Texas. (AP Photo/Patric Schneider)
Matt Kuchar tees off on the nine hole during the second round of the Houston Open golf tournament, Friday, April 4, 2014, in Humble, Texas. (AP Photo/Patric Schneider)
Phil Mickelson tees off on the 12th hole during the second round of the Houston Open golf tournament on Friday, April 4, 2014, in Humble, Texas. (AP Photo/Patric Schneider)
Rory McIlroy, of Northern Ireland, takes a shot on the 18th hole during the second round of the Houston Open golf tournament, Friday, April 4, 2014, in Humble, Texas. (AP Photo/Patric Schneider)
Rory McIlroy takes a shot on the 18th hole during the second round of the Houston Open golf tournament, Friday, April 4, 2014, in Humble, Texas. (AP Photo/Patric Schneider)
Sergio Garcia tips his hat to the crowd after going seven under for the second round of the Houston Open golf tournament, Friday, April 4, 2014, in Humble, Texas. (AP Photo/Patric Schneider)
Shawn Stefani tees off on the first hole during the second round of the Houston Open golf tournament, Friday, April 4, 2014, in Humble, Texas. (AP Photo/Patric Schneider)