"Names like Roberto Carlos and Benjani were mentioned. But nothing materialised.
"And you know when people have money because things happen quickly.
"The only thing I'm guilty of is taking people at their word."
Campbell added: "So I'm not embarrassed, not hurt or humbled or anything like that - I am just disappointed.
"I bought into a dream and I wanted to make that dream a reality. But it took me less than a month to realise that it was all heading to a different conclusion.
"Let's leave it at that. I don't want to say too much. I'm going to remain dignified. I'm not interested in this becoming a slanging match.
"They can say what they want about me but I have got nothing against County."