U.S. Open golf

U.S. Open golf

ARDMORE, United States - U.S. golfer Phil Michelson is pictured after the final round of the U.S. Open championships at Merion Golf Club in Ardmore, Pennsylvania, on June 16, 2013. He and Australia's Jason Day finished in a tie for second two strokes back.

U.S. Open golf

U.S. Open golf

ARDMORE, United States - U.S. golfer Phil Michelson tees off on the ninth hole in round three of the U.S. Open championships at Merion Golf Club in Ardmore, Pennsylvania, on June 15, 2013. Michelson and Australia's Jason Day finished in a tie for second two strokes back.

Ishikawa 2 strokes off pace at U.S. Open

Ishikawa 2 strokes off pace at U.S. Open

PEBBLE BEACH, United States - Japanese teenager Ryo Ishikawa hits from the rough on the fifth hole during the second round of the U.S. Open Golf Championship at Pebble Beach Golf Links, California, on June 18, 2010, with Tom Watson looking on behind him. Ishikawa managed an even-par 71 to be tied for second with Phil Michelson, Ernie Els and Dustin Johnson at 1-under 141, two shots behind Graeme McDowell of Northern Ireland.

Ishikawa 2 strokes off pace at U.S. Open

Ishikawa 2 strokes off pace at U.S. Open

PEBBLE BEACH, United States - Japanese teenager Ryo Ishikawa tees off on the eighth hole during the second round of the U.S. Open Golf Championship at Pebble Beach Golf Links, California, on June 18, 2010, with Tom Watson looking on behind him. Ishikawa managed an even-par 71 to be tied for second with Phil Michelson, Ernie Els and Dustin Johnson at 1-under 141, two shots behind Graeme McDowell of Northern Ireland.

Ishikawa 2 strokes off pace at U.S. Open

Ishikawa 2 strokes off pace at U.S. Open

PEBBLE BEACH, United States - Japanese teenager Ryo Ishikawa lines up his putt on the 16th hole during the second round of the U.S. Open Golf Championship at Pebble Beach Golf Links, California, on June 18, 2010. Ishikawa managed an even-par 71 to be tied for second with Phil Michelson, Ernie Els and Dustin Johnson at 1-under 141, two shots behind Graeme McDowell of Northern Ireland.

Mickelson in 2nd after 3 rounds at Masters

Mickelson in 2nd after 3 rounds at Masters

AUGUSTA, United States - Phil Mickelson smiles after making an eagle on the 14th hole during the third round of the Masters Tournament at Augusta National Golf Club in Augusta, Georgia, on April 10, 2010. Michelson took center stage on what is called ''moving day,'' with a stunning eagle-eagle-birdie stretch starting at the 13th en route to a 67 and a 54-hole total of 11-under 205.

Ishikawa 2 strokes off pace at U.S. Open

Ishikawa 2 strokes off pace at U.S. Open

PEBBLE BEACH, United States - Japanese teenager Ryo Ishikawa lines up his putt on the 16th hole during the second round of the U.S. Open Golf Championship at Pebble Beach Golf Links, California, on June 18, 2010. Ishikawa managed an even-par 71 to be tied for second with Phil Michelson, Ernie Els and Dustin Johnson at 1-under 141, two shots behind Graeme McDowell of Northern Ireland. (Kyodo)

Ishikawa 2 strokes off pace at U.S. Open

Ishikawa 2 strokes off pace at U.S. Open

PEBBLE BEACH, United States - Japanese teenager Ryo Ishikawa hits from the rough on the fifth hole during the second round of the U.S. Open Golf Championship at Pebble Beach Golf Links, California, on June 18, 2010, with Tom Watson looking on behind him. Ishikawa managed an even-par 71 to be tied for second with Phil Michelson, Ernie Els and Dustin Johnson at 1-under 141, two shots behind Graeme McDowell of Northern Ireland. (Kyodo)

Ishikawa 2 strokes off pace at U.S. Open

Ishikawa 2 strokes off pace at U.S. Open

PEBBLE BEACH, United States - Japanese teenager Ryo Ishikawa tees off on the eighth hole during the second round of the U.S. Open Golf Championship at Pebble Beach Golf Links, California, on June 18, 2010, with Tom Watson looking on behind him. Ishikawa managed an even-par 71 to be tied for second with Phil Michelson, Ernie Els and Dustin Johnson at 1-under 141, two shots behind Graeme McDowell of Northern Ireland. (Kyodo)

Mickelson in 2nd after 3 rounds at Masters

Mickelson in 2nd after 3 rounds at Masters

AUGUSTA, United States - Phil Mickelson smiles after making an eagle on the 14th hole during the third round of the Masters Tournament at Augusta National Golf Club in Augusta, Georgia, on April 10, 2010. Michelson took center stage on what is called ''moving day,'' with a stunning eagle-eagle-birdie stretch starting at the 13th en route to a 67 and a 54-hole total of 11-under 205. (Kyodo)