He’s left us hotshot, opening broadcast? (8)

I believe the answer is:

southpaw

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'he's left us hotshot opening broadcast?' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.

This is all the clue.

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(Other definitions for southpaw that I've seen before include "To wash up (anag.)" , "Left-handed fighter" , "A left-handed boxer who leads with the right" , "Boxer who leads with the right hand" , "Left-handed person, especially a boxer" .)

I've seen this clue in the Sydney Morning Herald.

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