Scabs of footballers tackling rest opening in eruptions (14)

I believe the answer is:

strikebreakers

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'scabs' is the definition.
('strikebreaker' can be a synonym of 'scab')

'footballers tackling rest opening in eruptions' is the wordplay.
'footballers' becomes 'strikers' (I can't justify this - if you can you should believe this answer much more).
'tackling' means one lot of letters goes inside another (I've seen this in other clues).
'rest' becomes 'break' (I've seen this before).
'opening in' indicates taking the first letters.
The initial letter of 'eruptions' is 'e'.
'break'+'e'='breake'
'strikers' going around 'breake' is 'STRIKEBREAKERS'.

'of' is the link.

Can you help me to learn more?

I've seen this clue in The Telegraph.

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