Both Foden and Grealish scored in the same game.
Phil Foden and Jack Grealish have been warned by their manager after they were left out of Manchester City's win over Newcastle on Sunday.
The England pair were pictured on a night out after the City win.
After the win at St James' Park, he said that Foden and Grealish had not been rested.
He said that he pays a lot of attention to the behavior on and off the pitch.
He said that when off the pitch is not proper, they are not going to play.
They have to be focused all the time because of the Christmastime and everything that happens.
The 34th league victory of the season was the most by a team in a calendar year. It was their eighth win in a row.
Both Foden and Grealish scored against the team.