Crossword Genius

Doctor to a sporting champion (11)

Ross

I believe the answer is:

protagonist

'champion' is the definition.
('protagonist' can be a synonym of 'champion')

'doctor to a sporting' is the wordplay.
'doctor' indicates an anagram.
'to'+'a'+'sporting'='toasporting'
'toasporting' anagrammed gives 'PROTAGONIST'.

(Other definitions for protagonist that I've seen before include "Key character in a novel" , "Leading player" , "Lead character" , "Chief character in a story" , "Advocate" .)

I've seen this clue in The Telegraph.
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