The goalie's favourite score (3)
I believe the answer is:
nil
'score' is the definition.
(I've seen this before)
I don't understand the rest of the clue.
Can you help me to learn more?
(Other definitions for nil that I've seen before include "Love" , "Nothing found in senility" , "Nothing, no score" , "Non-existent" , "Score of nought" .)