Tiger Woods will be playing the first two days of the Masters with U.S. Open champion Graeme McDowell, who rallied from a four-shot deficit to beat Woods last December.
Also in their group for the opening two rounds will be Robert Allenby.
Defending champion Phil Mickelson is in the same group with U.S. Amateur champion Peter Uihlein — one of the many traditions at Augusta National.
Also in their group is former U.S. Open champion Geoff Ogilvy.
Other notable groups include Martin Kaymer and Lee Westwood, the top two players in the world rankings, joined by Matt Kuchar.
Another group features three 20-somethings in Rory McIlroy, Rickie Fowler, Jason Day.
Mike Weir of Bright's Grove, Ont., is the lone Canadian in the field.
He'll play in a group with Hiroyuki Fujita and Retief Goosen.
Arnold Palmer and Jack Nicklaus again will be honorary starters.