Crossword Genius

Jumpers served for goalposts at both ends (5)

Ross

I believe the answer is:

frogs

'jumpers' is the definition.
(animals which jump)

'served for goalposts at both ends' is the wordplay.
'served' indicates an anagram.
'at both ends' suggests removing the centre (only the letters at the ends of the word).
'goalposts' with its centre taken out is 'gs'.
'for' with letters rearranged gives 'fro'.
'fro'+'gs'='FROGS'

I've seen this clue in The Independent.
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