Ange Postecoglou's Nottingham Forest were met with loud boos after their 1-0 defeat at home to Sunderland on Saturday. Forestare yet to win since Postecoglou succeeded Nuno Espirito Santo as head coach on September 9.
The Reds have lost three matches and drawn two in their five fixtures since the former Tottenham Hotspur boss arrived at the City Ground. It follows a brilliant campaign under Nuno last term when the East Midlands club finished seventh to seal European football for the first time in almost 30 years.
But the Portuguese was sacked just three games into the new campaign after a disagreement over the club's transfer policy under former Arsenal Sporting Director Edu. Nuno is back in a job having succeeded Graham Potter at West Ham United on Saturday.
READ MORE: West Ham appoint Nuno Espirito Santo as manager after shock Graham Potter decision
READ MORE: Ange Postecoglou won't get time at Nottingham Forest, says legend
And Nuno's successor at Forest, Postecoglou, has struggled as he looks to meet the lofty expectations of ambitious owner Evangelos Marinakis. The Reds now sit 16th in the Premier League table and were greeted with boos after Omar Alderete's first-half goal sealed all three points for the Black Cats.
"It was one of those evenings where we should have got the outcome we wanted," Postecoglou told BBC Sport post-match.
"We have enough chances to win the game. We conceded a really poor goal, albeit from a poor decision from the official, but after that, we had enough chances to win the game.
"We are in a cycle at the moment where we are getting every outcome out of the game except the win, and that is the most important thing.

On why his side are not scoring, he added: "It's hard to say but we don't really have the luxury of time to analyse that.
"We have the foundation to win games of football but we are not and we need to change that. Fans have got every right to be disappointed, they want to see their team win.
"I understand their disappointment, certainly shared by us in the dressing room and by me and my job is to rectify that."
Attention at Forest will now turn to their Europa League clash at home to Danish side Midtjylland on Thursday before next Sunday's trip to Newcastle United in the league.
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