Crossword Genius

They succeeded Wrens in shake-up (7)

Ross

I believe the answer is:

winners

'they succeeded' is the definition.
(people who won or succeeded)

'wrens in shake-up' is the wordplay.
'shake up' is an anagram indicator (I've seen 'shakes up' mean this).
'wrens'+'in'='wrensin'
'wrensin' anagrammed gives 'WINNERS'.

(Other definitions for winners that I've seen before include "25 15 [GOLDMEDALLIST]s" , "Victors" .)

I've seen this clue in The Independent.
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