Tiger Woods
| Age: | 36 |
| Date of Birth: | December 30, 1975 |
| Nationality: | United States |
| Height: | 6ft 1 |
| Weight: | 185lbs |
Tiger Woods has won the Open twice at St Andrews but there are concerns about his state of mind.
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Phil Mickelson
| Age: | 41 |
| Date of Birth: | June 16, 1970 |
| Nationality: | United States |
| Height: | 6ft 3 |
| Weight: | 200lbs |
The Masters champion has always struggled with British links golf.
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Lee Westwood
| Age: | 38 |
| Date of Birth: | April 24, 1973 |
| Nationality: | England |
| Height: | 6ft |
| Weight: | 195lbs |
A leg injury has hampered Westwood's build-up to St Andrews, which has to be a concern.
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Ernie Els
| Age: | 42 |
| Date of Birth: | October 17, 1969 |
| Nationality: | South Africa |
| Height: | 6ft 3 |
| Weight: | 210lbs |
A consistent Open performer, there is no-one currently active in world golf who plays links golf better.
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Rory McIlroy
| Age: | 22 |
| Date of Birth: | May 04, 1989 |
| Nationality: | Northern Ireland |
| Height: | 5ft 9 |
| Weight: | 154lbs |
In good form and a links expert, McIlroy will fancy his chances at St Andrews.
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Padraig Harrington
| Age: | 40 |
| Date of Birth: | August 31, 1971 |
| Nationality: | Ireland |
| Height: | 6ft 1 |
| Weight: | 196lbs |
Twice an Open champion, Harrington is due a win and has also won the Dunhill Links on two occasions.
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Graeme McDowell
| Age: | 32 |
| Date of Birth: | July 30, 1979 |
| Nationality: | Northern Ireland |
| Height: | 5ft 11 |
| Weight: | 168lbs |
The new US Open champion likes the links, but is he emotionally drained after his recent exploits?
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Justin Rose
| Age: | 31 |
| Date of Birth: | July 30, 1980 |
| Nationality: | England |
| Height: | 6ft 3 |
| Weight: | 179lbs |
In the form of his life, Englishman Rose is a potential winner at St Andrews.
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Ian Poulter
| Age: | 36 |
| Date of Birth: | January 10, 1976 |
| Nationality: | England |
| Height: | 6ft 1 |
| Weight: | 190lbs |
Poulter knows how to play a links course but a bizarre spider-bite injury has hit his preparations.
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Martin Kaymer
| Age: | 27 |
| Date of Birth: | December 28, 1984 |
| Nationality: | Germany |
| Height: | 6ft |
| Weight: | 163lbs |
A born winner with five wins in 94 starts, Kaymer could well challenge having got to grips with links golf.
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Paul Casey
| Age: | 34 |
| Date of Birth: | July 21, 1977 |
| Nationality: | England |
| Height: | 5ft 10 |
| Weight: | 176lbs |
Not a links natural and poor form suggests Casey may struggle to contend.
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Retief Goosen
| Age: | 43 |
| Date of Birth: | February 03, 1969 |
| Nationality: | South Africa |
| Height: | 5ft 11 |
| Weight: | 185lbs |
The stats suggest Goosen will be there or thereabouts - but maybe not the winner.
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Luke Donald
| Age: | 34 |
| Date of Birth: | December 07, 1977 |
| Nationality: | England |
| Height: | 5ft 9 |
| Weight: | 160lbs |
Needs to take both his links game and his ability to play the back nine on Sunday to another level if he is to compete.
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Jim Furyk
| Age: | 41 |
| Date of Birth: | May 12, 1970 |
| Nationality: | United States |
| Height: | 6ft 2 |
| Weight: | 185lbs |
Too good to discount, but there appear more likely winners than this American star.
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Ross Fisher
| Age: | 31 |
| Date of Birth: | November 22, 1980 |
| Nationality: | England |
| Height: | 6ft 3 |
| Weight: | 168lbs |
It Fisher can get his putting right, he has the game to contend in Fife.
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Steve Stricker
| Age: | 44 |
| Date of Birth: | February 23, 1967 |
| Nationality: | United States |
| Height: | 6ft |
| Weight: | 190lbs |
The recent world number two has had fitness problems of late but did finish in the Open top 10 in 2007 and 2008.
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Sergio Garcia
| Age: | 32 |
| Date of Birth: | January 09, 1980 |
| Nationality: | Spain |
| Height: | 5ft 10 |
| Weight: | 160lbs |
The Spaniard has gone close on several occasions at the Open but is lacking any sort of form at present.
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KJ Choi
| Age: | 41 |
| Date of Birth: | May 19, 1970 |
| Nationality: | Korea |
| Height: | 5ft 8 |
| Weight: | 185lbs |
A real competitive force, Choi has impressed at the Open Championship before.
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Chris Wood
| Age: | 24 |
| Date of Birth: | November 26, 1987 |
| Nationality: | England |
| Height: | 6ft 5 |
| Weight: | 190lbs |
The young Englishman has played two Opens and starred at both - narrowly missing out last year.
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Stewart Cink
| Age: | 42 |
| Date of Birth: | January 01, 1970 |
| Nationality: | United States |
| Height: | 6ft 4 |
| Weight: | 205lbs |
The American is back in Scotland to defend his title after last year's play-off victory over Tom Watson.
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