Chelsea players need to respect on-field discipline as they focus on Saturday's FA Cup semifinal against holders Manchester City, manager Mauricio Pochettino said.
Nicolas Jackson and Noni Madueke had a row over who would take a penalty kick during Monday's 6-0 win over Everton, with Madueke initially refusing to hand the ball over to Cole Palmer, who later scored from the spot.
"I explained my feelings and in the future it cannot happen like this," Pochettino told reporters on Friday.
"The message was clear and now we need to move on. They are clever and understand the situation... in another way it's good that a player wants to take responsibility for a penalty.
"But they need to respect discipline and the rules which are so important. The way they wanted to do things was in a very wrong way."
City played 120 minutes in the Champions League on Wednesday before losing to Real Madrid on penalties and Pochettino said that could benefit his side.
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