One of those possibly coming up to scratch? (4)

I believe the answer is:

claw

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'to scratch?' is the definition.
(I know that claw is a more specific form of the action scrape)

I don't understand the rest of the clue.

(Other definitions for claw that I've seen before include "Lobster's pincer" , "Rake" , "See 3" , "Scratch - scrape" , "Talon" .)

I've seen this clue in the Evening Standard.

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