Aggressive delivery from Bruce on Reformation? (7)

I believe the answer is:

bouncer

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'aggressive delivery' is the definition.
'bouncer' can be an answer for 'delivery' (type of cricket delivery). I am not sure about the 'aggressive' bit.

'bruce on reformation?' is the wordplay.
'reformation?' indicates anagramming the letters (I've seen 'reformation' mean this).
'bruce'+'on'='bruceon'
'bruceon' with letters rearranged gives 'BOUNCER'.

'from' acts as a link.

Can you help me to learn more?

(Other definitions for bouncer that I've seen before include "cheque that's worthless?" , "Lively ball" , "Security man outside night-club, or a rubber ball" , "Club employee" , "Cricket delivery - employee ejecting troublemakers" .)

I've seen this clue in The Sun.

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