In his first professional season, he won the Calder Memorial Trophy as top rookie in the league. Orr only played 46 games in the 1967-68 NHL season because he was injured, but won the Norris Trophy. In the 1969-70 season, he scored 120 points and became the only defenseman in history to win the Art Ross Trophy, for leading the league in scoring. He also won the Hart Memorial Trophy and the Conn Smythe Trophy. In 1976, Bobby Orr was named the most valuable player in the inaugural Canada Cup Tournament. Orr was traded to the Chicago Blackhawks in 1976. He would only play 26 games over the next three seasons because of problems with his knees. 