"Jermaine Pennant is one of the best crossers of the ball. He can cross balls that are difficult to defend, but he can be a little bit more selfish," said the Spaniard.
"He can keep the ball, dribble past players and try to score some more times, and can improve in this area.
"Sometimes it can be better for the player and for the team if he is a bit more selfish. It's crazy because normally as a manager you're telling players not to be selfish, but in this case he is trying to make a lot of assists when sometimes he should be trying to score.
"I've given him a goals objective to help him be more selfish. I've put him under pressure, but it is a positive pressure."