Saucy proposal that may break a deadlock (5,8)

I believe the answer is:

fresh approach

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'may break a deadlock' is the definition.
I know nothing about this answer so I can't judge whether it can be defined by this definition.

'saucy proposal' is the wordplay.
'saucy' becomes 'fresh' (synonyms).
'proposal' becomes 'approach' (approach is a kind of proposal).
'fresh'+'approach'='FRESH APPROACH'

'that' is the link.

Can you help me to learn more?

(Another definition for fresh approach that I've seen is " that may break deadlock".)

I've seen this clue in The Globe and Mail.

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