Score that leads to overtime (3)
I believe the answer is:
tie
'score that leads to overtime' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for tie that I've seen before include "Bond; neckwear" , "Draw; link" , "Knot; link" , "11 [KNOT]" , "Knot; achieve the same score" .)