Speaking on the Fozcast, Foster said: "Would Ruud van Nistelrooy have done a better job than Ruben Amorim at Man United, if he'd have stayed on? I think it's 'probably' because he had that respect, and I just don't think that you could do much worse than Amorim has done."
Challenged on the take, with his co-host claiming that van Nistelrooy might not have worked long-term, he replied: "I don't think Amorim is [a long term fix] either, to be honest with you. Amorim set his stall out last week when they won that game against Lyon and then he said he was basically going to play the kids for the rest of the season.
"It just signals that the Premier League doesn't matter so subconsciously, all of those players will take their foot off the gas a little bit."