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Run and scrap, covering defensive error by right back (7)

Ross

I believe the answer is:

jogtrot

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'right back' is the definition.
I don't know anything about this answer so I cannot tell whether this works.

'run and scrap covering defensive error' is the wordplay.
'run' becomes 'jog' (jog is a kind of run).
'and' says to put letters next to each other.
'scrap covering defensive error' becomes 'trot' (I can't explain this - if you can you should believe this answer much more).
'jog'+'trot'='JOGTROT'

'by' acts as a link.

Can you help me to learn more?

(Other definitions for jogtrot that I've seen before include "boring routine" , "exercise" .)

I've seen this clue in The Telegraph.
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