A defensive midfielder by trade, he made more than 300 senior appearances for seven different clubs during a 14-year playing career spent mostly in the top division of French football.
[1] He found his opportunities more limited and was restricted to only 13 games as the club challenged for the title, eventually finishing third, seven points behind champions Marseille.
[2] In April 1995, following his retirement from playing, Guérit was hired as Bordeaux manager for the remainder of the season following the departure of Portuguese coach Toni.
He spent three years in the job, and his time at Lille culminated in the team winning the Championnat de France amateur (CFA) Group A at the end of the 2001–02 season.
[1] He guided the team to promotion in his first season in charge, ending the campaign as runners-up to Besançon and thereby returning the club to the second tier after two years in the National.
[1] A second stint as Angoulême manager followed, but he left the post in the summer of 2005 after a disappointing season which saw the club finish 17th in the CFA Group D and consequently drop into the Division d'Honneur, the sixth tier of French football, for the first time since 1964.