St Andrews - Five facts about Jordan Spieth ahead of the 144th British Open which starts Thursday at St Andrews.
US Open history maker
Jordan Spieth was the youngest champion of the US Open since Bobby Jones in 1923 and the youngest player to win two majors since Gene Sarazen in 1922
First man to do the double since Tiger
He was the first man to win the Masters and the US Open in the same year since Tiger Woods in 2002 and just the sixth man ever. The other four were Jack Nicklaus (1972), Arnold Palmer (1960), Ben Hogan (1951 and 1953) and Craig Wood (1941)
7/8 rounds in front at the Majors
Spieth has played eight rounds in major championship golf this year and he has led or co-led after seven of them.
Halfway to greatness
He stands halfway on the way to winning all four major titles in the same year - the Grand Slam of golf that no player has managed to achieve. Only Hogan in 1953 won the first three
On Tiger's tail
He was the second youngest winner of the Masters in April behind Woods and the first player to get to 19-under par.