'No more excuses' for Alexander Isak as team-mate makes feelings clear after £125m move

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In what is already an enormously charged encounter - and the most significant in English football - there's now additional pressure riding on the match as both sides seek to rediscover their rhythm.One player boasting a particularly outstanding record in this fixture is legendary winger Mohamed Salah.READ MORE: Michael Oliver's record in Liverpool games as Man Utd fans fearing the worstREAD MORE: Alexander Isak among 15 Premier League stars at risk of missing World CupThe Egyptian King has suffered a terrible beginning to the new campaign and has struggled to reach anywhere near the standards he demonstrated in the previous season.With 23 goals in 17 appearances against United, he'll be optimistic about delivering.Prior to this enormous fixture, Liverpool Echo examines the latest developments emerging from Anfield.'No more excuses' for IsakLiverpool icon John Aldridge claims there are "no more excuses" for new acquisition Alexander Isak.Isak arrived from Newcastle United during the summer transfer window in rather dramatic fashion - engineering his departure from the north east outfit following an extended period of rumours.That came with a massive £125m valuation, which brought significant expectations. He hasn't exactly burst onto the scene, with Frenchman Hugo Ekitike considerably outshining him thus far.Someone perfectly positioned to discuss a striker's demands is Aldridge - amongst the most lethal marksmen in English football history.Writing in his Liverpool Echo column, he stated: "During my playing days, people used to talk of needing a month or so to get up to match fitness over the summer and Isak will have had about six or seven weeks by the time Manchester United arrive at Anfield on Sunday afternoon."OK, the games he has been involved in for Liverpool so far have all had something riding on them because they were not friendly fixtures, but it feels like the international break for Sweden will have helped him get fitter at club level."Now is the time for him to deliver.

It's United up next and there is no better time or team to show why you are one of the main men now at a club the size of Liverpool."Liverpool could be missing five players against UnitedArne Slot will be anxious about the availability of five players ahead of the clash with Amorim's Red Devils.Ibrahima Konate represents one of the latest fitness worries. There's been a lot of chatter about Isak's fitness since his transfer to Liverpool and the star striker hasn't yet completed a full match in his new kit.He was training separately from the first team at Newcastle while the entire transfer drama played out, so has not been retaining match-ready fitness and sharpness.In an interview with Premier League productions, Gakpo commented: "I think it's always been difficult when new players come in to adapt to the team.

But I think now when we have a lot of new players, sometimes it's difficult when you change the team."We lost also a lot of players who were here [for] a long time. It's all these things together - but I think we will find a way forward."