The Uruguay international was passed fit to take his seat on the bench against Nuno Espirito Santo's side, making the matchday squad for the first time since sustaining a knock against Brentford in the middle of February.
Dominik Szoboszlai, Wataru Endo and Andrew Robertson were also back in the Reds' ranks, but Jurgen Klopp's men — who remained without a plethora of other key performers — could not assert their dominance onto the Tricky Trees early doors.
Stand-in goalkeeper Caoimhin Kelleher was called upon on a couple of occasions to save the visitors' bacon, and the spoils would ostensibly be shared as eight minutes of added time went up on the board.
The clock stood at 99 minutes by the time that Liverpool fashioned their last opportunity, though, as Alexis Mac Allister lofted a delicate delivery into the box, and Nunez rose highest to flick a header into the bottom corner in front of the visiting crowd.
As well as sending Liverpool four points clear at the top of the Premier League table, Nunez's effort represented the latest winning goal ever scored by the Reds in the Premier League since data became available in 2006-07.
The Uruguayan's header was timed at 98 minutes and 38 seconds, which is also the 10th-latest Premier League goal on record, seven of which have been scored since the start of 2023.
Nunez has now reached double figures in Premier League goals for the 2023-24 season, and thanks to his aerial brilliance, Liverpool have also won a Premier League game at the City Ground for the very first time.
Prior to Saturday's encounter, the Reds
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