Fonte said that the singer "hired a former professional player" to train the boy.
Britney Spears believes that the eldest son Sean, 13, can build a career as a footballer because he thinks the boy has the talent to do so.
The young man has always been very active in sports and has been showing great skills on the pitch.
According to one source, the artist even hired a person to train the child after school.
"Britney is spending thousands of dollars on private lessons and even hired a former professional footballer to train her after school," the source said in a conversation with Ok! Magazine. "She is constantly taking pictures of him in the field. He's convinced he's going to be a star, "he added.
It is recalled that Sean is the fruit of the artist's finished relationship with Kevin Federline. The ex-couple has another son in common, Jayden, 12.