American duo Keegan Bradley and Brendan Steele won the Franklin Templeton Shark Shootout by three strokes on Sunday.
Bradley and Steele, both rookies on the PGA Tour in 2011, finished with a combined score of 32 under after three rounds at the Tiburon Golf Club in Florida.
South African Rory Sabbatini and Venezuelan Jhonattan Vegas were three shots behind winners, and they shared second place with veteran pair Mark Calcavecchia and Nick Price.
In scramble play on the final day, Bradley and Steele finished with a terrific 13 under, with the latter's impact crucial in the latter stages.
Steele fired an eagle on the 14th and followed it up with a birdie on the next, which allowed the winning pair to take control and ease the pressure.
Sabbatini and Vegas finished with a 60, while a birdie from Calcavecchia on the final hole saw him and Price record a 61 for the day's play.
The all-American pairings of Charles Howell III and Justin Leonard, and Jerry Kelly and Steve Stricker both finished tied for fourth at 28-under.
American Rickie Fowler and Colombian Camilo Villegas were next best, in a tie for sixth after recording an overall score of 26 under.
Joining them on that score were three more all-American pairings - Kenny Perry and Scott Stallings, Chad Campbell and Chris DiMarco, and Bo Van Pelt and Stewart Cink.