Keith , visual artist who won the 2002 Turner Prize (5)

I believe the answer is:

tyson

(Other definitions for tyson that I've seen before include "Mike ..., former US prizefighter" , "US world heavyweight boxing champion, b.1966 -- English fast bowler, d. 2015" , "Mike --, US boxer" , "American world heavyweight champion, b. 1966" , "Undisputed world heavyweight champion, 1987" .)

I've seen this clue in The Mirror.

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