Reigning champions Kenny Perry and Scott Hoch will defend their title at the 21st Shark Shootout in December at Tiburon Golf Club, event host Greg Norman announced on Friday.

The Australian ace, a two-time British Open champion, announced 20 of 24 participants in his 12-duo event, set for December 9-13.

Norman's rivals in the event include world number three Steve Stricker, two-time 2009 winners Zach Johnson and Brian Gay, Britain's Ross Fisher and Ian Poulter, US veterans Scott Verplank, Jeff Sluman, Mark Calcavecchia, Justin Leonard, Jerry Kelly and Nick Watney.

Zimbabwe's Nick Price and Americans Fred Funk, Chad Campbell, Chris DiMarco and Boo Weekley will also be on hand.