Hughes was sacked on Friday morning and has already been replaced by Harry Redknapp.
"They had players who had been together and had success together.
"At times we have been criticised for the number of players who have left.
"Not one player we have let go is anywhere near the Premier League now.
"We have brought good players into the club. I have seen it every day in training. Maybe at times a few of the lads have been found wanting."