Bill Haas won the AT&T National on Sunday and joined some distinguished company.
Haas pulled away from a crowd of contenders with three straight birdies, two key pars, and one good hop out of the rough. It led to a 5-under-par 66 on a muggy day at Congressional in Bethesda, Md., and a three-shot win over Roberto Castro.
As many as six players had a share of the lead at some point until Haas rolled in a 10-foot birdie putt on No. 8. Worried about a splotch of mud on his ball, he hit his approach to just inside 12 feet for birdie on the par-5 ninth, and then hit a 5-iron to 10 feet for another birdie on the 10th.
Haas led by at least two shots the entire back nine, though he never allowed himself to think about winning until he stood over a 3-foot par putt on the 18th hole and realized he had three putts to win.
‘‘I just kept the ball in front of me,’’ Haas said. ‘‘Nothing too crazy.’’
Haas has won at least one PGA Tour event in each of the last four years, joining Phil Mickelson, Dustin Johnson, and Justin Rose. And with a half-dozen players trying to win for the first time on tour, Haas, ranked 29th, kept a high pedigree of winner at the AT&T National. In the seven-year history of the tournament, Rose was the lowest-ranked player to win. He was at No. 35 in 2010 at Aronimink.
The other leaders fell away. James Driscoll of Brookline, Mass., didn’t make a birdie in his round of 74 and Andres Romero had a double bogey on the fourth hole and shot 75.
Jordan Spieth, the 19-year-old from Texas who needs a win to become a PGA Tour member and be eligible for the FedEx Cup playoffs, had a 69 and finished sixth, pushing his earnings for the year over $1.1 million.
Champions — Kenny Perry won the Senior Players for his first major title, overtaking Fred Couples with a final-round 6-under 64.
Perry finished his four rounds in 19-under 261 at Fox Chapel in Pittsburgh, two shots ahead of Couples and Duffy Waldorf.
Perry was runner-up in the 1996 PGA Championship and 2009 Masters while playing as a regular on the PGA Tour. He tied for second in the Senior PGA Championship last month.
European — Paul Casey made a 50-foot eagle putt on the 18th hole and won the Irish Open in Maynooth by three strokes. The 35-year-old Englishman trailed by four shots entering the final round but closed with a 5-under 67 to finish at 14-under 274 in winning his 14th career title.
Robert Rock (71) and third-round leader Joost Luiten (74) shared second at 277.