| The Green Bay Packers have traded WR Greg Jennings to the Detroit Lions! | |
| The Green Bay Packers have traded 1991 Round 4 pick - GB to the Detroit Lions! | |
| The Detroit Lions have traded WR Jermaine Lewis to the Green Bay Packers! | |
| The Detroit Lions have traded 1991 Round 2 pick - DET to the Green Bay Packers! | |
| The Detroit Lions have traded 1991 Round 3 pick - GB to the Green Bay Packers! | |
| The Detroit Lions have traded G Dean Miraldi to the New York Titans! | |
| The Detroit Lions have traded SS Kerby Joseph to the New York Titans! | |
| The Detroit Lions have traded 1991 Round 3 pick - DET to the New York Titans! | |
| The New York Titans have traded RB Marcus Allen to the Detroit Lions! | |
| The New York Titans have traded 1991 Round 5 pick - NYT to the Detroit Lions! | |
| The Green Bay Packers have traded 1990 Round 2 pick - ATL to the Detroit Lions! | |
| The Green Bay Packers have traded 1990 Round 4 pick - GB to the Detroit Lions! | |
| The Green Bay Packers have traded 1991 Round 3 pick - GB to the Detroit Lions! | |
| The Detroit Lions have traded DE Richard Dent to the Green Bay Packers! | |
| The Detroit Lions have traded 1990 Round 5 pick - DET to the Green Bay Packers! | |
| The Detroit Lions have traded TE Ken Whisenhunt to the Baltimore Ravens! | |
| The Baltimore Ravens have traded 1992 Round 3 pick - BAL to the Detroit Lions! | |
| The Detroit Lions have traded 1989 Round 3 pick - BAL to the Baltimore Ravens! | |
| The Baltimore Ravens have traded 1989 Round 3 pick - NYT to the Detroit Lions! | |
| The Detroit Lions have traded WR Ed McCaffrey to the Baltimore Ravens! | |
| The Detroit Lions have traded SS Leonard Smith to the Baltimore Ravens! | |
| The Baltimore Ravens have traded 1989 Round 3 pick - IND to the Detroit Lions! | |
| The Baltimore Ravens have traded 1989 Round 3 pick - BAL to the Detroit Lions! | |
| The Baltimore Ravens have traded 1989 Round 4 pick - ATL to the Detroit Lions! | |
| The Detroit Lions have traded DE Ray Childress to the New York Titans! | |
| The New York Titans have traded 1989 Round 1 pick - NYT to the Detroit Lions! | |
| The New York Titans have traded 1990 Round 2 pick - NYT to the Detroit Lions! | |
| The Detroit Lions have traded QB Joe Montana to the Baltimore Ravens! | |
| The Detroit Lions have traded DT Bill Maas to the Baltimore Ravens! | |
| The Detroit Lions have traded 1989 Round 2 pick - CIN to the Baltimore Ravens! | |
| The Detroit Lions have traded 1990 Round 4 pick - DET to the Baltimore Ravens! | |
| The Baltimore Ravens have traded QB John Elway to the Detroit Lions! | |
| The Detroit Lions have traded 1988 Round 1 pick - CIN to the Indianapolis Colts! | |
| The Detroit Lions have traded 1989 Round 2 pick - DET to the Indianapolis Colts! | |
| The Indianapolis Colts have traded 1988 Round 1 pick - IND to the Detroit Lions! | |