Run minutes into level match when winners may be decided (5,4)

I believe the answer is:

extra time

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'match when winners may be decided' is the definition.
I can't tell whether this definition defines the answer.

'run minutes into level' is the wordplay.
'run' becomes 'extra' (cricket run).
'minutes' becomes 'm' (common abbreviation).
'into' is an insertion indicator.
'level' becomes 'tie'.
'm' going within 'tie' is 'time'.
'extra'+'time'='EXTRA TIME'

Can you help me to learn more?

(Other definitions for extra time that I've seen before include "Extension to match" , "Additional period of play" , "play's extension" , "could lead to penalties?" , "this could lead to a shoot-out" .)

I've seen this clue in The Times.

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