Under the wing of Rocher, who signed him for Monaco, he won two Ligue 1 titles and two national cup titles. Between 1964 and 1970, he presided the UNFP, a players' syndicate.
On 27 March 1976, he was appointed national team coach, replacing Stefan Kovacs and during a time when France were having difficulty in major tournaments. Included in his side was Michel Platini, who helped the side turn a new page in their book and get back to winning ways. In the 1982 FIFA World Cup he got to the semi-finals, where he lost to the German side on penalties. In 1984 he won the European Football Championship beating Spain.
After his victory, he passed the reins over to Henri Michel and got a job as the Technical Director, where he remained until 1986, afterwards choosing a managerial position at Marseille. He is considered an idol among the Marseille supporters
He strayed from the limelight after 1991, taking a sidelining role as a football pundit on "Demain, c'est foot", a football show on TMC Monte Carlo.