In the field, there are:
Of the 23 non-American countries, there are...
8 Englishmen
5 Australians
5 South Africans
Rafa Cabrera-Bello
Emiliano Grillo
Russell Knox
David Lingmerth
Andy Sullivan
Tom Watson (8)
Phil Mickelson (5)
Ernie Els (4)
Rory McIlroy (4)
Vijay Singh (3)
Bubba Watson (2)
Tom Watson (2)
10 World Number Ones
Jason Day
Ernie Els
Martin Kaymer
Bernhard Langer
Rory McIlroy
Adam Scott
Vijay Singh
Jordan Spieth
Lee Westwood
Ian Woosnam
1 Costa Rican
Paul Chaplet, the current Latin American Amateur Champion, will become the first from his country to play the Masters – bringing the total number of nationalities to have been represented at Augusta to 39.
Oldest player competing
Tom Watson, who at 66 years and 215 days is making his 43rd Masters appearance – ninth in the all-time list.
Youngest player competing
The aforementioned Chaplet is just 16 years old and will be the second youngest player to have appeared in the tournament.
The most-capped European Tour member
Sandy Lyle – making his 35th appearance this week having played every year since 1985.