"He has given everybody a huge lift. It is important you have somebody who leads from the front - and there are not a great number of leaders from the front, that's the way the game is changing a bit.
"You need centre forwards to get hold of the ball - Mark (Viduka) was a similar type in that he wanted to grab the game by the scruff of the neck and could be vocal in the dressing room as well.
"Those things are important. Very often, you have centre-halves who are leaders - it comes naturally with the position - but you need it throughout the spine of your team."