The most common and most likely answer to this crossword clue is the 4 plus 11 letter word SEVE BALLESTEROS
I've seen this crossword clue in Financial Times
S
E
V
E
B
A
L
L
E
S
T
E
R
O
S
More clues leading to the result SEVE BALLESTEROS
Buddy explains!
The straight part
We know that "golfer" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case golfer = seve ballesteros.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.