"I can't tell you it's been an easy year," Campbell told the Daily Mail. "But I'm enjoying management. I'm enjoying the tussle of it. I'm not enjoying losing. But I understand why I am. It's a fight to change that and that's OK because I can fight. I used to love a tussle.
"Look at the forwards I played against: Emile Heskey, Duncan Ferguson, Alan Shearer, Les Ferdinand. Kevin Davies, that's another one. Every one of those guys was a tussle. A hard day.
"It was rougher, a different game. I used to enjoy it. And I enjoy this now. You are not always comfortable in management but you have to find a way.
"Where we are now, it's a big tussle. It is a massive, gigantic fight, rolling with the punches. I want guys who want to go in the trenches. You know, guys who play football but get in the trenches and fight. I want guys to push themselves and every time they go on the pitch, they get 100 per cent out of themselves."