Bob Cook trades
| Minnesota North Stars acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Bob Cook | January 5, 1975 | cash |  |
| Detroit Red Wings acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Brian Lavender | January 17, 1973 | Bob Cook | |
| Ken Murray | Ralph Stewart | |||
| Vancouver Canucks acquire | Date | Detroit Red Wings acquire | ||
|---|---|---|---|---|
 | cash | November 21, 1971 | Bob Cook | |