Coste debuted playing as fly half in the local club U.S.A. Perpignan, and scored several caps for French junior national teams before his career was halted by a serious injury.
As a coach, he trained U.S.A. Perpignan, Frotignan and BUC (from Barcelona) clubs, and, in 1993, he replaced Bertrand Fourcade as coach of Italian national team. Under his lead Italy obtained several historical victories against Ireland (three times in 1995-1997), Scotland (1997) and France at 1995–97 FIRA Trophy, by 40-32, the later Italy's first victory against that team. These victories helped Italy to gain admittance to the Six Nations tournament starting from 2000.
Since 2006 he is supervisor of Italy's junior national teams.
|Italy National Rugby Union Coach
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