The Italian coach has emphasised the importance of teamwork and dismissed the idea that the team rely too heavily on the Swedish striker
The Swede has been in fine form for the capital club since his summer move from AC Milan, scoring 10 goals in just nine league games, but the Italian believes the all of his players have shown their importance.
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"He scores a lot of goals. Every time he scores, it's good for him and for the team. I think the team also works hard for him in order to put him in the best position to score. It's as simple as that."
Wednesday's Coupe de La Ligue clash will the second time PSG have faced Marseille this season after the two shared the points in a 2-2 draw in Ligue 1, and Ancelotti is expecting another closely fought contest.
"Marseille are a very good team," he said. "They are physically strong, have a lot of character, and a strong mentality.
"They're a team that will want to beat us because we are becoming fierce rivals."
PSG currently lie three points clear at the of top Ligue 1.