Nottingham Forest have sacked Nuno Espirito Santo after almost two years in charge, talkSPORT understands.The Portuguese manager becomes the first Premier League boss to lose his job this season.GettyNuno has been sacked by Forest – less than a month after his public breakdown with the board[/caption]Forest have made the decision a week on from their 3-0 home defeat to West Ham on Sunday.An official announcement from the club is expected in the near future.Former Tottenham Hotspur boss Ange Postecoglu is a leading candidate to succeed Santo at the City Ground.Should Postecoglou arrive at Forest, he could be joined by Scott Munn.Munn worked with the Australian at Spurs, where he was most recently their Chief Executive Officer.Meanwhile, Fulham boss Marco Silva is also admired by Marinakis.Celtic manager Brendan Rodgers and Jose Mourinho have also been discussed with Forest keen on a swift appointment with the club to face Arsenal at the Emirates on Saturday – live on talkSPORT.Forest owner Evangelos Marinakis had been mulling over a change of manager since Santo made public their breakdown in relationship at a press conference before Forest’s 1-1 draw at Crystal Palace last month.It is also believed that Santo and Forest’s Global Head of Football Edu fell out this summer after the club failed to sign Fulham winger Adama Traore, who he managed at Wolves.What had Nuno Espirito Santo said about his future?The 51-year-old subsequently refused to rule out an exit following their heavy loss to the Hammers.Santo has become the first Premier League managerial casualty this seasonGettyHe told reporters: “It doesn’t help, of course, but I think we have to address other questions.“My job now is to see what I can do to make sure that this performance doesn’t happen again.”The defeat was Forest’s first of the campaign, but came at home to an out of form West Ham.Graham Potter’s side had lost their previous three matches in all competitions this term going into the meeting.Santo’s exit comes just four months after he had secured Europa League qualification last term.Their seventh-place finish earned a place in Europe for the first time in 30 years.Santo won 30 out of his 71 matches in charge of the RedsGettyNuno departs the City Ground after 20 months in charge having been appointed in December 2023.Having replaced Steve Cooper in the dugout, he guided Forest to survival before earning a European berth in his first full season.Over the course of 71 matches as manager, Nuno secured 30 wins as well as reaching last season’s FA Cup semi-finals.