SOTOGRANDE, SPAIN - OCTOBER 30: Graeme McDowell of Northern Ireland looks at his options with caddy Ken Comboy before hitting his approach to the 10th green during the third round of the Andalucia Valderrama Masters at Club de Golf Valderrama on October 30, 2010 in Sotogrande, Spain. (Photo by Richard Heathcote/Getty Images)
NEWPORT, WALES - OCTOBER 04: Graeme McDowell of Europe celebrates his 3&1 win to secure victory for the European team on the 17th green with caddies Terry Mundy (L) and Ken Comboy in the singles matches during the 2010 Ryder Cup at the Celtic Manor Resort on October 4, 2010 in Newport, Wales. (Photo by Andrew Redington/Getty Images)
NEWPORT, WALES - OCTOBER 01: Graeme McDowell of Europe chats with his caddie Ken Comboy on the first green during the Morning Fourball Matches during the 2010 Ryder Cup at the Celtic Manor Resort on October 1, 2010 in Newport, Wales. (Photo by Andrew Redington/Getty Images)
PEBBLE BEACH, CA - JUNE 20: Graeme McDowell (L) of Northern Ireland celebrates with the trophy alongside his father Ken on the 18th green after winning the 110th U.S. Open at Pebble Beach Golf Links on June 20, 2010 in Pebble Beach, California. (Photo by Ross Kinnaird/Getty Images)
PEBBLE BEACH, CA - JUNE 20: Graeme McDowell (L) of Northern Ireland celebrates with the trophy alongside his father Ken on the 18th green after winning the 110th U.S. Open at Pebble Beach Golf Links on June 20, 2010 in Pebble Beach, California. (Photo by Jeff Gross/Getty Images)
PEBBLE BEACH, CA - JUNE 20: Graeme McDowell (L) of Northern Ireland celebrates with the trophy alongside his caddie Ken Comboy on the 18th green after winning the 110th U.S. Open at Pebble Beach Golf Links on June 20, 2010 in Pebble Beach, California. (Photo by Andrew Redington/Getty Images)
PEBBLE BEACH, CA - JUNE 20: Graeme McDowell (L) of Northern Ireland celebrates with the trophy alongside his father Ken on the 18th green after winning the 110th U.S. Open at Pebble Beach Golf Links on June 20, 2010 in Pebble Beach, California. (Photo by Donald Miralle/Getty Images)
PEBBLE BEACH, CA - JUNE 20: Graeme McDowell (L) of Northern Ireland celebrates with the trophy alongside his father Ken on the 18th green after winning the 110th U.S. Open at Pebble Beach Golf Links on June 20, 2010 in Pebble Beach, California. (Photo by Donald Miralle/Getty Images)
PEBBLE BEACH, CA - JUNE 20: Graeme McDowell (L) of Northern Ireland celebrates with the trophy alongside his father Ken on the 18th green after winning the 110th U.S. Open at Pebble Beach Golf Links on June 20, 2010 in Pebble Beach, California. (Photo by Donald Miralle/Getty Images)
PEBBLE BEACH, CA - JUNE 20: Graeme McDowell (R) of Northern Ireland celebrates with his father Ken on the 18th green after winning the 110th U.S. Open at Pebble Beach Golf Links on June 20, 2010 in Pebble Beach, California. (Photo by Donald Miralle/Getty Images)
PEBBLE BEACH, CA - JUNE 20: Graeme McDowell (R) of Northern Ireland celebrates with his father Ken on the 18th green after winning the 110th U.S. Open at Pebble Beach Golf Links on June 20, 2010 in Pebble Beach, California. (Photo by Donald Miralle/Getty Images)
PEBBLE BEACH, CA - JUNE 20: Graeme McDowell (R) of Northern Ireland celebrates with his father Ken on the 18th green after winning the 110th U.S. Open at Pebble Beach Golf Links on June 20, 2010 in Pebble Beach, California. (Photo by Donald Miralle/Getty Images)
PEBBLE BEACH, CA - JUNE 20: Graeme McDowell (R) of Northern Ireland celebrates with his father Ken on the 18th green after winning the 110th U.S. Open at Pebble Beach Golf Links on June 20, 2010 in Pebble Beach, California. (Photo by Donald Miralle/Getty Images)
PEBBLE BEACH, CA - JUNE 20: Graeme McDowell (R) of Northern Ireland celebrates with his father Ken on the 18th green after winning the 110th U.S. Open at Pebble Beach Golf Links on June 20, 2010 in Pebble Beach, California. (Photo by Donald Miralle/Getty Images)
PEBBLE BEACH, CA - JUNE 20: Graeme McDowell of Northern Ireland celebrates with his father Ken on the 18th green after winning the 110th U.S. Open at Pebble Beach Golf Links on June 20, 2010 in Pebble Beach, California. (Photo by Donald Miralle/Getty Images)
PEBBLE BEACH, CA - JUNE 18: Graeme McDowell of Northern Ireland waits with his caddie Ken Comboy on the third 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)
NEWPORT, WALES - JUNE 06: Graeme McDowell of Northern Ireland celebrates with his caddie Ken Comby on the 18th green during the final round of the Celtic Manor Wales Open on the 2010 Course at the Celtic Manor Resort on June 6, 2010 in Newport, Wales. (Photo by Ross Kinnaird/Getty Images)
NEWPORT, WALES - JUNE 06: Graeme McDowell of Northern Ireland celebrates with his caddie Ken Comby on the 18th green during the final round of the Celtic Manor Wales Open on the 2010 Course at the Celtic Manor Resort on June 6, 2010 in Newport, Wales. (Photo by Ross Kinnaird/Getty Images)
Ken Green tees off during Round One of The Fedex St. Jude Classic at TPC at Southwind in Memphis, Tennessee on May 26, 2005.Photo by Joe Murphy/WireImage.com
Ken Green hits from the sixth tee during the second round of the 2005 Shell Houston Open, at the Redstone Golf Club in Houston, Texas April 22, 2005.Photo by Steve Grayson/WireImage.com
Ken Green hits from the sixth tee during the second round of the 2005 Shell Houston Open, at the Redstone Golf Club in Houston, Texas April 22, 2005.Photo by Steve Grayson/WireImage.com
Ken Green tees off the 12th hole during the first round of the Shell Houston Open, Thursday, April 21, 2005 at the Redstone Golf Club, Humbele, TexasPhoto by Marc Feldman/WireImage.com
PONTE VEDRA BEACH, FL - MAY 15: Graeme McDowell of Northern Ireland and caddie Ken Comboy walk on the 18th green during the final round of THE PLAYERS Championship held at THE PLAYERS Stadium course at TPC Sawgrass on May 15, 2011 in Ponte Vedra Beach, Florida. (Photo by Scott Halleran/Getty Images)
PONTE VEDRA BEACH, FL - MAY 14: Graeme McDowell of Northern Ireland putts while caddie Ken Comboy watches on the practice green in front of the clubhouse during the third round of THE PLAYERS Championship held at THE PLAYERS Stadium course at TPC Sawgrass on May 14, 2011 in Ponte Vedra Beach, Florida. (Photo by Streeter Lecka/Getty Images)
AUGUSTA, GA - APRIL 07: Graeme McDowell of Northern Ireland prepares to putt on the 13th green as his caddie Ken Comboy looks on during the first round of the 2011 Masters Tournament at Augusta National Golf Club on April 7, 2011 in Augusta, Georgia. (Photo by Jamie Squire/Getty Images)