Crossword Genius

For batters, they can come in pairs (5)

Ross

I believe the answer is:

blobs

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'pairs' is the definition.
The definition and answer can be both to do with contact as well as being verbs in their -s form.
Perhaps they are linked in a way I don't understand?

I cannot understand how the remainder of the clue works.

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I've seen this clue in the Evening Standard.
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