Drafted in 1973 by both the Detroit Red Wings of the National Hockey League and the Minnesota Fighting Saints of the World Hockey Association, Pyatt also played for the Washington Capitals and Colorado Rockies. He scored 26 goals with the Capitals in 1975-76 and 23 goals with the Rockies in 1976-77. In 296 NHL games, Pyatt scored 71 goals and 63 assists. He never played a playoff game.