A total of 16 newcomers are in the field of 91 players who have been invited to the 2010 Masters, the tournament announced Friday.
There are six amateurs in the field for the April 8-11 tournament at Augusta National. More than half of the field -- 49 players -- are originally from countries outside of the Unitd States.
Among the first-timers are PGA Tour players Jason Dufner, Brian Gay (a two-time winner on last year's PGA Tour), PGA Tour rookie of the year Marc Leishman of Australia and veterans Steve Marino and Kevin Na.
U.S. Amateur champ Byeong-Hun An of Korea, U.S. Amateur runner-up Ben Martin, U.S. Amateur Public Links champ Brad Benjamin, British Amateur champ Matteo Manassero, Open Championship low amateur Chris Wood and Han Chang-won of Korea, who won the inaugural Asian Amateur Championship, are also in the field. Manassero will be the youngest player ever to play in the tournament.
Players not currently in the field who win a full-field PGA Tour event or finish in the top 50 of the World Golf Rankings the week prior to the Masters will also earn an invitation.