| The Detroit Lions have demoted WR Kerry Reed to the practice squad! |
| The Detroit Lions release LB Ervin Randle to free agency! |
| The Detroit Lions have demoted C Jay Pennison to the practice squad! |
| The Detroit Lions have signed CB Geoffrey Pope from the free agent pool! |
| The Detroit Lions have signed C Jay Pennison from the free agent pool! |
| The Detroit Lions have signed C Jay Pennison from the free agent pool! |
| The Detroit Lions have demoted CB Gary Green to the practice squad! |
| The Detroit Lions have demoted LB Ervin Randle to the practice squad! |
| The Detroit Lions have demoted C Norm Katnik to the practice squad! |
| The Detroit Lions have demoted T Ron Heller to the practice squad! |
| The Detroit Lions have drafted WR Marcus Robinson! |
| The Detroit Lions have drafted T Ron Mattes! |
| The Detroit Lions have drafted C Gene Chilton! |
| The Detroit Lions have drafted CB Corey Chavous! |
| The Detroit Lions have drafted DE Tim Harris! |
| The Detroit Lions have drafted CB R.W. McQuarters! |
| The Detroit Lions have drafted G Flozell Adams! |
| The Detroit Lions have drafted DE Clyde Simmons! |
| The Detroit Lions have changed CB Corey Chavous's position! |
| The Detroit Lions have changed CB Corey Chavous's position! |
| The Detroit Lions have changed DE Tim Harris's position! |
| The Detroit Lions have changed G Flozell Adams's position! |
| The Detroit Lions have changed CB R.W. McQuarters's position! |
| 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 promoted TE Rodney Holman from the practice squad to the main roster! |
| The Detroit Lions have drafted P Jordan Stout! |
| The Detroit Lions have drafted LB Chad Muma! |
| The Detroit Lions have drafted G Jamaree Salyer! |
| The Detroit Lions have drafted TE Isaiah Likely! |
| The Detroit Lions have drafted LB Devin Lloyd! |
| The Detroit Lions have drafted SS Kerby Joseph! |
| The Detroit Lions have drafted WR Wan'Dale Robinson! |
| The Detroit Lions have drafted RB Brian Robinson Jr! |
| The Detroit Lions have drafted DE George Karlaftis! |
| The Detroit Lions have drafted CB Cam Taylor-Britt! |
| The Detroit Lions have drafted FS Kyle Hamilton! |
| The Detroit Lions have drafted TE John Dekker! |
| The Detroit Lions have drafted RB David Kirtman! |
| The Detroit Lions have drafted DE Quincy Black! |
| The Detroit Lions have drafted CB Geoffrey Pope! |
| The Detroit Lions have drafted QB Jim Zorn II! |
| The Detroit Lions have drafted RB Steve Van Buren! |
| The Detroit Lions have drafted WR Kerry Reed! |
| The Detroit Lions have drafted WR Robert Meachem! |
| The Detroit Lions have drafted LB David Harris! |
| 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! | |