He played junior hockey for the Sherbrooke Castors and scored 50 plus goals in each of his last two seasons (1970-71 & 1971-72). That got him selected 54th overall by the California Golden Seals in the 1972 NHL Amateur Draft. St. Sauveur chose the World Hockey Association instead and joined the Philadelphia Blazers in 1972. He was sent to the Roanoke Valley Rebels of the Eastern Hockey League and scored 55 goals and won the Rookie of the Year Award. He was called up for a couple of games withe the Blazers.