Gary Neville blasted Ed Woodward and Manchester United's transfer record as 'unforgivable' following Sunday's 2-0 defeat to runaway Premier League leaders Liverpool .

Liverpool's win increased their advantage over fifth-placed United to 30 points - illustrating how wide the gap between the two great rivals has become since Sir Alex Ferguson retired as Old Trafford boss seven years ago.

Ferguson headed into retirement on a high at the end of the 2013/14 season, having guided the Red Devils to a record 20th top-flight title - two more than Liverpool.

But United have not won the league since, while executive vice-chairman Woodward and the club's board have overseen a series of unsuccessful signings including big-money flops such as Angel Di Maria, Radamel Falcao and Bastian Schweinsteiger.

In contrast, Liverpool look unstoppable in their bid to end a 30-year wait for their 19th title, having built a Champions League-winning team featuring world-class stars such as Virgil van Dijk, Sadio Mane and Mohamed Salah.

Gary Neville says something needs to change at board level at Old Trafford

And Neville bemoaned the lack of quality on the field for United during Sunday's defeat after years of what he sees as poor investments in the transfer market.

"I can’t believe the investment that’s been put into the squad in the last five, six, seven years and you end up with that out on the pitch," the former United defender said on the Gary Neville Podcast.

"I saw a statistic two weeks ago that United have the second-highest wage bill in the world. And that’s the squad they’ve got. It’s unforgivable. It really is.

"I can’t change the ownership of Manchester United , no one can.

Executive vice-chairman Ed Woodward has taken a lot of flak for United's transfer record in recent years

"But I’m struggling to understand why the ownership have persisted in trusting that management team to oversee the building of a Premier League title-winning team since Sir Alex Ferguson left.

"Because if you don’t lose your job for essentially overseeing that investment, that wage bill, and putting that team out on the pitch then I have to say something is really wrong."

Neville added: "There’s real talent in that executive team, they can create revenue, they can do things within the football club that can help to be fair.

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"But in terms of what the club needed to do for a number of years now is put the best in class football operators into that club and they’re not doing it.

"They’re not doing it and it’s a mess. They need to sort it out and quickly."