Be too much to get part of pub mob at soccer turning back? (4,1,4)

I believe the answer is:

cost a bomb

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'be too much to' is the definition.
I know nothing about this answer so I cannot judge whether it can be defined by this definition.

'part of pub mob at soccer turning back?' is the wordplay.
'part of' says the answer is hidden in the clue.
'turning back?' is a reversal indicator.
'bmobatsoc' is hidden in the letters of 'pub mob at soccer'.
'bmobatsoc' in reverse letter order is 'COST A BOMB'.

'get' acts as a link.

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I've seen this clue in The Times.

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