Benitez, who was again booed by Blues fans, said: "Normally when you lose, you are not happy - but I was angry. We did not manage their physical game, the long balls, the second balls, the corners.
"We gave them too many options to play their game and we could not be comfortable in possession.
"That is when you have to show character and quality - and we did NOT do that.
"Character and leadership is always necessary in a team.