Justier made his debut for
Paris Saint-Germain during the
1975–76 season. Along with
Thierry Morin,
François Brisson, and
Jean-Marc Pilorget, he was one of the "four musketeers" of the
PSG Academy. Justier was a very versatile player, and he could play in several positions from
defender to
attacking midfielder. During his career, he would go on to play for
Paris FC,
Brest,
Nîmes,
Angoulême,
Montceau,
Châtellerault, and
Beauvais before retiring in 1989. He made 341 appearances and scored 28 goals in the first two tiers of France. == International career ==