Stadler and Irwin join playing captain Arnold Palmer's U.S. team, which also includes U.S. Ryder Cup captain Hal Sutton and Ryder Cup player Jay Haas. McNulty and Torrance will team with Rest of the World playing captain Gary Player and European Ryder Cup captain Bernhard Langer and European Ryder Cup player Colin Montgomerie.
Stadler posted 13 victories in his PGA Tour career, highlighted by the 1982 Masters. He has seven victories in two seasons on the Champions Tour, including a tour-best four this year. He is the 2004 Champions Tour money leader with $1.9 million.
Irwin, a three-time U.S. Open champion, continues to thrive on the Champions Tour at age 59. He has two wins this season and is second to Stadler on the money list with $1.6 million. He had 20 wins in his PGA TOUR career and has added a whopping 40 on the Champions Tour.
McNulty, from Zimbabwe, has 55 career international victories. He is one of four players battling for Champions Tour Rookie of the Year honors, winning once and posting five top 10s and 12 top 25s in 16 starts. He is 20th on the money list with $727,056. He owns 16 European Tour titles and is regarded as one of the best putters in the game.
Scotsman Torrance captained the European Ryder Cup team to victory at The Belfry in 2002, 17 years after holing the winning putt at the same venue, which ended a 28-year victory drought for Europe in the event. He possesses 31 career international titles, including 21 on the European PGA Tour.
Each UBS Cup team consists of six players age 40-49 and six players 50 and over.
The United States won the inaugural UBS Cup in 2001, held on The Ocean Course at Kiawah Island, by a score of 12 - 11 . The U.S. then retained the trophy with a 14 - 9 , victory in 2002 on the Seaside Course at Sea Island, Georgia, and a 12-12 draw in 2003, again at Sea Island.
The Golf Channel, which is viewed in 62 million homes, will provide worldwide coverage of the UBS Cup.