UPDATE 1-Golf-U.S. Open champion Simpson prepares for 'belly' ban (Reuters)

(Adds McDowell comments) KIAWAH ISLAND, South Carolina, Aug 8 (Reuters) - U.S. Openchampion Webb Simpson, one of three players to win a major withthe controversial long putter in the past year, has alreadybegun practising with a short putter in anticipation of apossible rule change. Keegan Bradley's victory at last year's PGA Championshipheralded the start of a wave of players switching to longputters - of the 'broomstick' or 'belly' variety - with Simpsonand then Ernie Els, at last month's British Open, also enjoyingmajor success with the same approach. ...