Paris St. Germain's Kylian Mbappe and Neymar have both had great starts to Paris St. Germain's new Ligue 1 season.

They argued about who should take penalties, but the French forward insisted that they were still friends. 

PSG's first Champions League game is on Tuesday against Juventus. Both teams have scored seven goals in their own league,

and Lionel Messi has set up six goals. Last month, Neymar and Mbappe got into a fight over who should take a penalty kick against Montpellier.

The Frenchman had missed a penalty kick earlier. The Brazilian took it and scored, giving PSG a 5-2 win. He then went after Mbappe on social media.

"This is how things have always been between us. There are times when it's a little bit cold and times when it's a little bit warmer.

Sometimes we're like best friends, and sometimes we don't talk much, but we always respect each other. " Mbappe told a news conference before PSG's Group H game.

"These things happen when you have two players with a lot of personality, but we always respect each other and have PSG's best interests in mind."

PSG have scored 24 goals in six league games, but they know that Juve, who have only given up two goals since the start of the Serie A season, will be a tough

"Since I signed, I've been feeling the pressure. But there won't be any more stress tomorrow.