Good performer in every second catcher (3)

I believe the answer is:

ace

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'good' is the definition.
(thesaurus)

'every second catcher' is the wordplay.
'every second' indicates alternate letters (I've seen 'every second of' mean this).
The alternating letters of 'catcher' are 'ACE'.

'performer in' acts as a link.
I am not very happy about this link. Some or all of it may belong to another bit of the clue.

Can you help me to learn more?

(Other definitions for ace that I've seen before include "Brill" , "Tennis serve that the opponent can't reach" , "Expert (sl.)" , "'wicked'!" , "Excellent" .)

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

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