Sally Nugent with gig covering header from Messi, putting the ball between the opponent's uprights? (10)

'putting the ball between the opponent's uprights?' is the definition.
(passing a football through an opponent's legs)

'sally nugent with gig covering header from messi' is the wordplay.
'sally' is an anagram indicator (sally can mean to attack).
'with' says to put letters next to each other.
'covering' indicates putting letters inside.
'header from' says to take the initial letters.
The initial letter of 'messi' is 'm'.
'nugent' after 'gig' is 'gignugent'.
'gignugent' anagrammed gives 'nutegging'.
'nutegging' going around 'm' is 'NUTMEGGING'.