Gary Neville has lauded Bruno Fernandes as Manchester United’s best signing of the post Sir Alex Ferguson era after he inspired their 5-2 victory over Ipswich, but the club legend expressed concerns over the strength of their defence.The Red Devils earned the first win of the Premier League season on Sunday, with Michael Carrick’s side bouncing back from their shocking opening day loss to Hull.Fernandes was central to the victory over Ipswich, with the Man United captain scoring a hat-trick and providing an assist for Bryan Mbeumo.His inspired performance came in the same week Fernandes was crowned Professional Footballers’ Association Player of the Year.Fernandes had been voted for by his fellow players after breaking the Premier League assist record last season, becoming the first Man United player to receive the award since Wayne Rooney in 2010.Neville hailed Fernandes achievement and stressed that the Portuguese star is ‘by a mile’ the club’s best signing since Ferguson retired in 2013. Bruno Fernandes starred as Man United earned a 5-2 victory over Ipswich on Sunday Fernandes scored a hat-trick and provided an assist, days after being named PFA Player of the Year Neville lauded Fernandes as being the ‘best signing since the Sir Alex Ferguson era’ at Man United[embedded content]’I don’t think that is an award you can ever question, as it is bloody hard to get your opponents to vote for you,’ he said on the Gary Neville podcast.’It was a strong finish to the season for Manchester United, but as I said on the commentary, he is the best signing post Sir Alex Ferguson by an absolute mile.’He has got the guts, the courage, the belief to play for Manchester United, the numbers he has delivered with assists and goals.’His eagerness, willingness and want to try and impact the game positively and play the killer pass, the score a goal and do the most difficult things, he is an outstanding player.’Without him Manchester United would have a real problem but they have got him, and they have got an excellent group of forwards who will score a lot of goals and create a lot of damage.’They have got a lot of directness in there and you wouldn’t want to play against those players.’While Man United impressed going forwards against newly promoted Ipswich, Neville expressed concerns over the Red Devils’ defence.Man United have shipped four goals in their opening two matches against newly promoted sides, with Ipswich having also created several opportunities to have added to their two goals at Old Trafford. Neville expressed concerns over Man United’s defence after shipping four goals in two games The Man United legend hopes the club can sign a left back and central defender before the transfer deadlineNeville believes Man United’s midfield two will be crucial this season to ensuring their defence receives adequate protection, while he expressed hope a centre-back and left back could be signed before the transfer window closes.’You can see already that Man United’s back four can be got at, we knew that as it is the same defence as last season and the season before, and they conceded 50 last season,’ Neville added.’It is not going to change unless they either play better or the midfield two protects them more.’That has to happen or else they will concede a lot of goals, they have conceded four in two [games] already, that would be the concern,’If Michael Carrick could get a defender or two in over the next 48 hours, I think it is really important. It would really make a massive difference if they could get a centre back and a full back in.’