Fielder impeded badly by opponent in the middle (4,3-2)

'fielder' is the definition.
I know nothing about this answer so I can't tell whether it can be defined by this definition.

'impeded badly by opponent in the middle' is the wordplay.
'badly' is an anagram indicator (letters in the wrong order).
'by' means one lot of letters go next to another.
'in the middle' means to look at the middle letters.
The centre of 'opponent' is 'on'.
'impeded' anagrammed gives 'deepmid'.
'deepmid'+'on'='DEEP MID-ON'

Can you help me to learn more?