Masters Tournament runners-up Kenny Perry and Chad Campbell, in addition to defending champion Stewart, Cink, are among the first group of committments to play in this year's Travelers Championship, to be played June 25-28 at TPC River Highlands in Cromwell.
Also expected to compete are 2007 Travelers champion Hunter Mahan, Sean O'Hair and Nick Watney. All three golfers joined Perry and Campbell by finishing in the top 20 at the Masters this past weekend.
Perry is making his 21st consecutive appearance at River Highlands, where finished tied for sixth last year. He and Campbell, a four-time winner in tour, lost in a sudden-death playoiff to Angel Cabrera at the Masters.
Mahan had a fine defense of his Travelers title, finishing second to Cink last June and joined Perry, Campbell and Cink on the Uniterd States' victorious Ryder Cup victory over Europe last September. O'Hair finished second to Tiger Woods at the Arnold Palmer Invitational last month and Watney won the Buick Invitational in February.