"The players we want to bring in have to give us something different from the ones we already have. We are going to be playing a lot of games.
"With the UEFA Cup, we are going to be playing Saturday-Thursday-Sunday. It's a busy schedule.
"I'm not going to be able to ask all the lads to play three games in a week. There is no way someone like Sol Campbell is going to be able to do that all the time.
"So we need some players to come in and we need numbers."