Jordan Spieth watches his shot into the 13th green during the second round of the Memorial golf tournament Friday, May 30, 2014, in Dublin, Ohio. (AP Photo/Darron Cummings)
Phil Mickelson tries to take a look at his shot to the 11th green during the second round of the Memorial golf tournament Friday, May 30, 2014, in Dublin, Ohio. (AP Photo/Darron Cummings)
Phil Mickelson hits from the 13th fairway during the second round of the Memorial golf tournament Friday, May 30, 2014, in Dublin, Ohio. (AP Photo/Darron Cummings)
Thorbjorn Olesen, of Denmark, hits to the ninth green during the second round of the Memorial golf tournament Friday, May 30, 2014, in Dublin, Ohio. (AP Photo/Darron Cummings)
Adam Scott, of Australia, watches his tee shot on the 14th hole during the second round of the Memorial golf tournament Friday, May 30, 2014, in Dublin, Ohio. (AP Photo/Darron Cummings)
Rory McIlroy, of Northern Ireland, watches his tee shot on the 14th hole during the second round of the Memorial golf tournament Friday, May 30, 2014, in Dublin, Ohio. (AP Photo/Darron Cummings)