Donald, Westwood headline Nedbank Challenge field

Luke Donald during the final round of the Madrid Masters.

JOHANNESBURG – Top-ranked Luke Donald and No. 2 Lee Westwood head the field for the Nedbank Golf Challenge in Sun City, South Africa.

Organizers announced Thursday the two top-ranked English golfers would play the Dec. 1-4 event, which also features four major winners in its 12-man field.

Also in the field are No. 6-ranked Martin Kaymer – the 2010 PGA Championship winner – Masters champion Charl Schwartzel, 2010 U.S. Open winner Graeme McDowell and British Open champion Darren Clarke.

Jason Dufner is the only American in an event.

South Korea's No. 21-ranked Kim Kyung-tae will make his Sun City debut, while Europeans Anders Hansen, Simon Dyson, Thomas Bjorn and Robert Karlsson also are entered.