While in junior, McCabe was a member of three gold medal-winning Canadian teams, the first of which was at the 1992 Pacific Cup in Japan. The under-18 tournament was in just its second year of what is now known as the Ivan Hlinka Memorial Tournament. at the 1994 and 1995 World Junior Championships. In 1995, he was named to the tournament All-Star Team and was honoured as Best Defenceman after posting 12 points in 7 games.