Notable deals
| Buffalo Sabres acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
 | Doug Bodger | November 12, 1988 | Tom Barrasso |  |
| Darrin Shannon | 1990 3rd round pick (#61-Joe Dziedzic) | |||
| Boston Bruins acquire | Date | Edmonton Oilers acquire | ||
|---|---|---|---|---|
 | Andy Moog | March 8, 1988 | Geoff Courtnall |  |
| Bill Ranford | ||||
| 1988 2nd round pick (#39-Petro Koivunen) | ||||
| Edmonton Oilers acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
| Dave Hannan | November 24, 1987 | Paul Coffey | |
| Chris Joseph | Dave Hunter | |||
| Moe Mantha | Wayne Van Dorp | |||
| Craig Simpson | ||||
| Toronto Maple Leafs acquire | Date | Chicago Blackhawks acquire | ||
|---|---|---|---|---|
 | Ed Olczyk | September 3, 1987 | Bob McGill |  |
| Al Secord | Steve Thomas | |||
| Rick Vaive | ||||
| Quebec Nordiques acquire | Date | Washington Capitals acquire | ||
|---|---|---|---|---|
 | Gaetan Duchesne | June 13, 1987 | Dale Hunter |  |
| Alan Haworth | Clint Malarchuk | |||
| 1987 1st round pick (#15-Joe Sakic) | ||||
| Los Angeles Kings acquire | Date | New York Rangers acquire | ||
|---|---|---|---|---|
 | Bobby Carpenter | March 10, 1987 | Jeff Crossman |  |
| Tom Laidlaw | Marcel Dionne | |||
| 1989 3rd round pick (#60-Murray Garbutt) | ||||
| Calgary Flames acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
 | Mike Bullard | November 12, 1986 | Dan Quinn | |
| Calgary Flames acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
| Terry Johnson | February 1, 1986 | Eddy Beers |  |
| Joe Mullen | Charles Bourgeois | |||
| Rik Wilson | Gino Cavallini | |||
| Boston Bruins acquire | Date | Washington Capitals acquire | ||
|---|---|---|---|---|
| Pat Riggin | November 14, 1985 | Pete Peeters | |
| Buffalo Sabres acquire | Date | Chicago Blackhawks acquire | ||
|---|---|---|---|---|
| 1986 3rd round pick (#56-Kevin Kerr) | October 15, 1985 | Bob Sauve | |
| Edmonton Oilers acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
| Tim Hrynewich | September 10, 1985 | Gilles Meloche | |
| Marty McSorley | ||||
| future considerations (Craig Muni) | ||||
| Hartford Whalers acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
 | Mike Liut | February 21, 1985 | Mark Johnson | |
| future considerations (Jorgen Pettersson) | Greg Millen | |||
| Montreal Canadiens acquire | Date | Los Angeles Kings acquire | ||
|---|---|---|---|---|
 | 1985 tenth round pick (#198-Maurice Mansi) | November 18, 1984 | Steve Shutt | |
| Detroit Red Wings acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
 | Darryl Sittler | October 10, 1984 | Murray Craven |  |
| Joe Paterson | ||||
| Boston Bruins acquire | Date | Edmonton Oilers acquire | ||
|---|---|---|---|---|
| Ken Linseman | June 21, 1984 | Mike Krushelnyski | |
| Montreal Canadiens acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
| 1984 1st round pick (#8-Shayne Corson) | June 9, 1984 | Rick Wamsley | |
| 1984 2nd round pick (#29-Stephane Richer) | 1984 2nd round pick (#26-Brian Benning) | |||
| 1984 2nd round pick (#32-Tony Hrkac) | ||||
| 1984 3rd round pick (#53-Robert Dirk) | ||||
| Montreal Canadiens acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
| Perry Turnbull | December 21, 1983 | Gilbert Delorme | |
| Greg Paslawski | ||||
| Doug Wickenheiser | ||||
| Montreal Canadiens acquire | Date | Minnesota North Stars acquire | ||
|---|---|---|---|---|
| Bobby Smith | October 28, 1983 | Keith Acton |  |
| Mark Napier | ||||
| 1984 3rd round pick (#46-Ken Hodge Jr.) | ||||
| Buffalo Sabres acquire | Date | Quebec Nordiques acquire | ||
|---|---|---|---|---|
| Real Cloutier | June 8, 1983 | Tony McKegney | |
| 1983 1st round pick (#11-Adam Creighton) | Jean-Francois Sauve | |||
| Andre Savard | ||||
| 1983 3rd round pick (#54-Iiro Jarvi) | ||||
| Montreal Canadiens acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
| 1985 3rd round pick (#44-Nelson Emerson) | September 15, 1982 | Denis Herron | |