English amateur Gary Wolstenholme, 47, receives a late call-up for his first US Open after American Sean O'Hair pulls out injured

Wolstenholme is without a caddie so calls up BBC golf commentator Andrew Cotter to perform bag-carrying duties on Wednesday

Tiger Woods played practice rounds on Monday and Tuesday, allaying fears about his fitness after recent knee surgery

The two-time US Open champion has not played a competitive round in two months but he has won at Torrey Pines four times

The winner of 13 majors appeared to be in a jovial mood in Monday practice - an ominous sign for his rivals?

Woods faced a barrage of questions about his fitness after Tuesday's practice but insisted: "I'm good to go"

England's Justin Rose will look to improve on his joint-10th finish in last year's US Open

Paul Casey, who joined Rose in the tie for 10th last year, opted for a spot of driving practice on Tuesday

Phil Mickelson chats with coach Butch Harmon. A US Open runner-up four times, Mickelson grew up playing Torrey Pines

Padraig Harrington, whose win at last year's Open ended Europe's major drought, signs autographs after practice

English pair Oliver Wilson (left) and Luke Donald (right) will hope for a strong showing to boost their Ryder Cup hopes

The 108th US Open, the year's second major, will take place at Torrey Pines South Course in La Jolla, California, from 12-15 June

The defending champion is Argentine Angel Cabrera, who clinched his maiden major title at Oakmont 12 months ago

South African Trevor Immelman won the Masters in April before missing two of three cuts - but he came second last weekend

World number two Mickelson has bagged two titles this year, but won the last of his three majors at the 2006 Masters

Australian Adam Scott is ranked third in the world and has a win under his belt this year - but his record in majors is poor

Sergio Garcia claimed the prestigious Players Championship last month - but no European has won the US Open since Tony Jacklin in 1970

Englishman Nick Dougherty led after the first round at Oakmont in 2007 and ended up seventh - an outside bet perhaps?

Sweden's Robert Karlsson is in a rich vein of form in Europe and another with claims - no Swede has yet won a men's major