Crossword Genius

Fees paid to club for bench warmers (4)

Ross

I believe the answer is:

subs

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'bench warmers' is the definition.
(I've seen this in another clue)

I can't explain the remainder of the clue.

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(Other definitions for subs that I've seen before include "Reserves at football (sl.)" , "Club members' payments" , "Advance payments" , "vehicles" , "Underwater vessels (abbr)" .)

I've seen this clue in The Irish Times.
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