 However, the Aeros folded after the 1977 season, and Grahame signed with the NHL's Boston Bruins for the 1977–78 NHL season.He continued his starring play, having a fine season as the Bruins' number one goaltender.After that season, however, he was traded to the Los Angeles Kings for a first round draft pick in the 1979 draft (which turned into Ray Bourque), and played poorly thereafter.