Career
He played as a wing and as a flanker in rugby union. Katsadze moved to France, where he played in AS Béziers (1999/2000), FCS Rumilly (2000/01), Football Club Grenoble (2001/02) and South Carolina Albi (2004/05-2005/06). He had 34 caps for Georgia, scoring 8 tries, 40 points on aggregate.
He was called for the 2003 Rugby World Cup, playing in all the four games, two of them as the captain and one of them as a substitute, but without scoring.
He soon would change codes for rugby league, so this would be his last rugby union international game, aged only 28 years old. He went to play rugby league for UVC-13, in France, since 2006/07.