Redknapp said: “Didn’t they offer the same money as we did for Nugent and have they paid too much for Chopra?
“I bought Sylvain Distin and Hermann Hreidarsson on free transfers and have paid money for three players, so I can’t understand what Quinn is saying.
“I never talk about and criticise other people’s teams and signings and maybe that is why I have lasted so long in the game.
“Why has he got to poke his nose into other team’s business? It is absolutely nothing to do with him.
“He should look after his own team and focus on keeping Sunderland’s house in order.”