Italy's Francesco Molinari has been brought into the 12-man field of the Nedbank Golf Challenge as a late replacement for injured Dane Thomas Bjorn.
Bjorn has not yet recovered from the neck injury that kept him out of last week's World Cup at Mission Hills and has once more been forced to sideline himself.
"We are very disappointed that Thomas will not be joining us at Sun City at the end of one of the best seasons of his
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"He has conveyed to us how disappointed he is and how much he was looking forward to playing
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Molinari, a member of the 2010 European Ryder Cup team who is currently ranked 39th in the world and 23rd on the European Tour's Race to Dubai, has never before played
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"Francesco is a wonderful player who will definitely bring something special to the Nedbank Golf Challenge," said Roper. "His brother Edoardo made his debut at Sun City last year, so I'm sure Francesco will be looking forward to this opportunity to playing
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No late changes have been made to the Nedbank Seniors field which in Nick Price, Tom Lehman, Bernhard Langer and Ian Woosnam includes major winners who have each been the World Number one at various times in their distinguished careers.