$850,000
John Higgins (Scotland) is the winner of 2010 Welsh open (Snooker)
Greg Norman
The Claret Jug, officially known as the Golf Champion Trophy, is presented to the winner of The Open Championship along with the Gold Medal. The winner is announced as the "Champion Golfer of the Year".
The winner of the 2003 U.S. Open Championship, Jim Furyk, won $1,080,000.
Pete Sampras
The winner got $860,000,000 in the 2008 British Open.
The Masters, the open championship, the USPGA championship and the US open. Though not in that order.
British open
Stewart Cink got £750,000.
Stewart Cink won £750,000.
The Masters, US Open, The Open and USPGA Championship.