Three of the 16-man field for this week's Volvo World Match Play Championship in Spain are battling with injuries.

England's world number four Paul Casey has not played since early August because of a torn rib muscle and admitted a few days ago that it was still not 100% repaired.

German Martin Kaymer limped his way today to joint second place in the Castello Masters, his first tournament since the go-kart crash two months ago in which he broke toes and needed surgery.

And now Indian Jeev Milkha Singh has a right ankle problem that forced him to pull out of the latest US Tour event.

"I am facing the prospect of yet another injury lay-off just because I did not wear the right golf shoes," said Singh.

"I get special shoes, which cushion my ankles. However, the one I wore last week were not of the right specifications.

"I had intense pain, somehow finished with the help of painkillers, but after I arrived in Scottsdale for this week's Frys.com Open I could barely walk.

"I have been advised complete rest."

With a guaranteed cheque for over £100,000 even for those who finish last in the round-robin group stage at Finca Cortesin on Thursday and Friday, the trio are expected to leave decisions until later in the week.

Swede Peter Hanson is on stand-by for an event which involves playing 36 holes on three of the four days - not ideal for golfers with foot trouble.