He said: "He was good. He has dramatically improved over the last two months and that is why he deserved to have his start. Neil Mellor is another young player who will come at some stage as well but we needed to give a run to our strikers against Southampton.
"Otsemobor proved his worth and I think he is getting nearer and nearer the first squad. When you play players who are on the fringe of the first team and they respond like that you are happy because you know you can win things."