Petit became a regular at Monaco, playing as a left-sided or central midfielder; in 1991 he won the Cup with Monaco, and also played in the 1992 European Cup Winners' Cup final (which Monaco lost to Werder Bremen).
Petit became a regular at Monaco, playing as a left-sided or central midfielder. In 1991, he won the Coupe de France with Monaco and also played in the 1992 European Cup Winners' Cup final (which Monaco lost to Werder Bremen).