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Outscores those on all sides today (4)

Ross

I believe the answer is:

tops

I'm a little stuck... Click here to teach me more about this clue!

'sides today' is the definition.
The definition and answer can be both to do with fundamental existence as well as being verbs in their -s form.
Maybe you can see a link between them that I can't see?

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for tops that I've seen before include "Betters" , "The Four -, Motown group" , "The best" , "Max - spinning toys" , "First-class" .)

I've seen this clue in the Irish Times.
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