10 US Open - Friday

PEBBLE BEACH, CA - JUNE 18: (L-R) Phil Mickelson and caddie Jim Mackay look on from the 12th tee during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Andrew Redington/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Phil Mickelson celebrates making birdie on the 11th hole during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Stephen Dunn/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Phil Mickelson celebrates making birdie on the 11th hole during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Stephen Dunn/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Y.E. Yang of South Korea hits from the rough on the 11th hole in front of a gallery of fans during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Donald Miralle/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Ricky Barnes watches a shot on the 14th hole during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Jeff Gross/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Ricky Barnes reacts to a poor shot on the 14th hole during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Jeff Gross/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Phil Mickelson reacts to missed putt on the 14th green during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Donald Miralle/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Tim Clark of South Africa watches his tee shot on the 13th hole during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Ross Kinnaird/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Ian Poulter of England walks off the tenth green during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Harry How/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Graeme McDowell of Northern Ireland lines up a putt with his caddie Ken Comboy during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Jeff Gross/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Graeme McDowell of Northern Ireland waits on the eighth green as a pabbleboarder goes past during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Jeff Gross/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Steve Stricker waits on the eighth green as a pabbleboarder goes past during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Ross Kinnaird/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Paul Casey of England walks up the fourth fairway during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Ross Kinnaird/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Paul Casey of England waits with his caddie Christian Donald on the seventh tee during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Ross Kinnaird/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Padraig Harrington of Ireland lines up a putt on the first hole during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Donald Miralle/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Tiger Woods (C) walks off the ninth green alongside his caddie Steve Williams (L) and fomer NFL head coach Herman Edwards during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Harry How/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Alex Cejka of Germany hits his tee shot on the 16th hole during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Andrew Redington/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Tom Watson hits a tee shot on the ninth hole during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Donald Miralle/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Aaron Baddeley of Australia hits from a bunker on the 13th fairway during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Donald Miralle/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Tiger Woods takes a drop on the third hole during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Harry How/Getty Images)

PEBBLE BEACH, CA - JUNE 18: S.Y. Noh of Korea hits his tee shot on the 11th hole during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Andrew Redington/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Paul Casey of England plays a bunker shot on the ninth hole during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Ross Kinnaird/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Graeme McDowell of Northern Ireland celebrates a birdie putt on the fourth green during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Jeff Gross/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Jason Allred plays a shot on the ninth hole during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Donald Miralle/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Ryo Ishikawa of Japan (R) hits a shot on the ninth hole while his caddie Hiroyuki Kato looks on during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Donald Miralle/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Dustin Johnson watches his tee shot on the 12th hole during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Stephen Dunn/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Graeme McDowell of Northern Ireland walks to the 15th green during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Jeff Gross/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Graeme McDowell of Northern Ireland hits a pitch shot on the 17th hole during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Jeff Gross/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Tiger Woods walks off the 18th green during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Andrew Redington/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Tiger Woods hits his tee shot on the 14th hole during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Harry How/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Lee Westwood of England plays a shot on the 18th hole as his caddie Billy Foster looks on during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Harry How/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Tiger Woods celebrates chipping in on the 11th hole during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Andrew Redington/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Tiger Woods pitches to the tenth green during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Harry How/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Dustin Johnson lines up a putt on the second green during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Donald Miralle/Getty Images)

PEBBLE BEACH, CA - JUNE 18: Lee Westwood of England hits his tee shot on the 11th hole as Ernie Els and Tiger Woods look on during the second round of the 110th U.S. Open at Pebble Beach Golf Links on June 18, 2010 in Pebble Beach, California. (Photo by Harry How/Getty Images)