 Fox scored his first NHL goal against Gilles Gilbert of Detroit on October 11, 1980.Fox played a critical role in the tying goal during the stunning Miracle on Manchester game against Edmonton in the 1982 playoffs, by stripping scoring superstar Wayne Gretzky of the puck in the dying moments of the third period before sending it to defenseman Mark Hardy whose point shot was blocked but pounced on by Steve Bozek who swatted the puck past Oilers goaltender Grant Fuhr to even the score at 5-5 after Los Angeles had trailed 5-0 after two periods.In 1984–85, his strongest season statistically, Fox managed over a point a game, finishing with 30-53-83 in 79 games.