Chelsea boss says some of the players has been bad in the recent games.
is frustrated with their performance in the recent weeks as they see only one win in their last four matches.
Here is whatChelsea
boss said after their
"The first half certainly was our worst performance of the season as far as I saw it,"
Lampard told reporters ahead of his side's clash with Villa
. "We lacked energy. We are in a position in the last four games of losing three and only winning one. So that needs a reaction.
"They did [lack character] and the players know that. The first half we lacked it. Second half we didn't, to be fair, and there will be some players that come out of it with credit for the performances in the second half. But today we did.
"I’m not going to generalise that that’s the case because it’s not. But today we did and football will punish you if you turn up and have that sort of lack of the basics in your game.
"There will be some changes and I knew that anyway. I am certainly not going to bang the drum about the quick turnaround after our performance today. That's not to point. We are playing two games in two days and [changes] would have happened anyway.
"Some of those will happen because of how the game went and people will have to come in and inject energy and personality."