The most common and most likely answer to this crossword clue is the 3 plus 2 plus 3 plus 5 letter word MAN OF THE MATCH
M
A
N
O
F
T
H
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M
A
T
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H
More clues leading to the result MAN OF THE MATCH
Buddy explains!

The straight part
We know that "this" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case this = man of the match.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.