| Date | Transaction |
| 02-28-1993 | Dwight Harbour has retired from football. |
| 01-27-1992 | The Montreal Mastodon have waived Dwight Harbour. |
| 01-12-1992 | The Montreal Mastodon have moved Dwight Harbour to the active roster. The Montreal Mastodon have moved Ronnie Bull to the inactive roster. |
| 01-12-1992 | The Montreal Mastodon have acquired Dwight Harbour from the waiver wire. |
| 08-26-1991 | The Montreal Mastodon have waived Dwight Harbour. |
| 08-19-1991 | Trade #76397 has been completed between the Cleveland Ironmen and the Montreal Mastodon. The Montreal Mastodon receive Wally Chambers (DT), Joe Taylor (CB), Tyrone Crabb (RB), Dwight Harbour (RB), Pete James (RB) from the Cleveland Ironmen in exchange for Blair Fernandez (CB), Draft Pick - 1994 Round 4 (MON). |
| 08-19-1991 | The Cleveland Ironmen have acquired Dwight Harbour from the waiver wire. |
| 08-19-1991 | The Cleveland Ironmen have waived Dwight Harbour. |
| 08-05-1991 | The Cleveland Ironmen have moved Dwight Harbour to the active roster. The Cleveland Ironmen have moved Elijah Baylor to the inactive roster. |
| 08-05-1991 | The Cleveland Ironmen have acquired Dwight Harbour from the waiver wire. |
| 12-30-1990 | The Montreal Mastodon have waived Dwight Harbour. |
| 12-16-1990 | The Montreal Mastodon have acquired Dwight Harbour from the waiver wire. |
| 12-02-1990 | The Montreal Mastodon have automatically waived Dwight Harbour to comply with the 53-man roster limit. |
| 11-12-1990 | The Montreal Mastodon have moved Ronnie Bull to the active roster. The Montreal Mastodon have moved Dwight Harbour to the inactive roster. |
| 10-22-1990 | The Montreal Mastodon have moved Dwight Harbour to the active roster. The Montreal Mastodon have moved Joe Strong to the inactive roster. |
| 10-22-1990 | The Montreal Mastodon have acquired Dwight Harbour from the waiver wire. |
| 08-26-1990 | The New Jersey Jokers have waived Dwight Harbour. |
| 04-29-1990 | The New Jersey Jokers have moved Dwight Harbour to the active roster. The New Jersey Jokers have moved Bill Nyvall to the inactive roster. |
| 01-28-1990 | The New Jersey Jokers have acquired Dwight Harbour from the waiver wire. |
| 01-07-1990 | The Boston Bronze Age have waived Dwight Harbour. |
| 12-31-1989 | The Boston Bronze Age have moved Art Rooney, Dwayne Hooks, Tom Brady, Larry Carver, Rod Armstrong, Snicker Doodle, and Jabba Hut to the active roster. The Boston Bronze Age have moved Ken Hallstrom, Joe Cousino, Dwight Harbour, Duane Wegert, Ernie Kopp, Radial Tuberosity, and Sugar Daddy to the inactive roster. |
| 11-26-1989 | The Boston Bronze Age have moved Dwight Harbour to the active roster. The Boston Bronze Age have moved Bert Frost to the inactive roster. |
| 11-26-1989 | The Boston Bronze Age have acquired Dwight Harbour from the waiver wire. |
| 08-28-1989 | The Boston Bronze Age have waived Dwight Harbour. |
| 08-28-1989 | The Boston Bronze Age have acquired Dwight Harbour from the waiver wire. |
| 08-21-1989 | The Toronto Wolves have waived Dwight Harbour. |
| 08-07-1989 | The Toronto Wolves have moved Johnny Panaccion, Whitey Ilg, Matt Rowden, Andy Mullen, Jeff Howell, Gene Francis, and Colin Brown to the active roster. The Toronto Wolves have moved Josh Grigg, Gary Bowden, Dwight Harbour, Bob Johnson, Gordon Maley, Rod Armstrong, and Peter Ballage to the inactive roster. |
| 04-30-1989 | The Toronto Wolves have placed Dwight Harbour on the trade block. |
| 09-05-1988 | The Toronto Wolves have moved Rick Hughes, Dwight Harbour, J.B. Souchak, and Eddie Yary to the active roster. The Toronto Wolves have moved Elmo Merriman, Frank Johnson, and Brad Merlo to the inactive roster. |
| 08-08-1988 | The Toronto Wolves have moved Harvey Martin to the active roster. The Toronto Wolves have moved Dwight Harbour to the inactive roster. |
| 12-20-1987 | Dwight Harbour of the Toronto Wolves is injured with an ankle ligament sprain and is expected to be out for approximately 13 days. |
| 10-16-1983 | Dwight Harbour of the Boston Minutemen is injured with an ankle ligament sprain and is expected to be out for approximately 17 days. |
| 08-30-1982 | The Boston Minutemen have moved Dwight Harbour to the active roster. |
| 08-16-1982 | The Boston Minutemen have acquired Dwight Harbour from the waiver wire. |
Running Back