The former defender feels the Red Devils have allowed quality players to leave the club and have failed to replace them, despite spending heavily in the transfer market
A disappointing season for the Red Devils hit a new low on Thursday as they were comfortably beaten 2-0 by Liverpool at Anfield in the Europa League.
United barely landed a glove on their bitter rivals and Ferdinand believes his former side are currently paying the price for failing to replace quality which has left them of late.
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"There’s a list of players I have written down here: [Angel] Di Maria, Nani, [Patrice] Evra, [Danny] Welbeck, Chicharito, [Jonny] Evans, [Darren] Fletcher, Rafael, [Shinji] Kagawa I could go on," he told BT Sport.
"Are they worse than the players that were out there? They’re better than that team out there, those players, that’s the problem.
"That’s where I see there has been a shift in the last couple of years. It has gone backwarrds and that’s the disappointing thing."