Michel Bergeron trades
| Washington Capitals acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Michel Bergeron | October 19, 1978 | 1979 2nd round pick (#25-Tomas Jonsson) |  |
| Detroit Red Wings acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Andre St. Laurent | October 20, 1977 | Michel Bergeron | |