| Date | Transaction |
| 02-28-1989 | Bill Dawson has retired from football. |
| 10-03-1988 | The Miami Plague have waived Bill Dawson. |
| 08-11-1986 | The Miami Plague have moved Bill Dawson to the active roster. |
| 08-11-1986 | The Miami Plague have acquired Bill Dawson from the waiver wire. |
| 08-04-1986 | The Montreal Mastodon have moved Tommy Erickson and Al Schleich to the active roster. The Montreal Mastodon have moved Napoleon Chaffey to the inactive roster. |
| 08-04-1986 | The Montreal Mastodon have waived Bill Dawson. |
| 04-27-1986 | The Montreal Mastodon have moved Ken Manzini to the active roster. The Montreal Mastodon have moved Bill Dawson to the inactive roster. |
| 11-18-1985 | The Montreal Mastodon have moved Bill Dawson to the active roster. The Montreal Mastodon have moved Ken Manzini to the inactive roster. |
| 11-18-1985 | The Montreal Mastodon have acquired Bill Dawson from the waiver wire. |
| 11-10-1985 | The Boston Bronze Age have waived Bill Dawson. |
| 10-21-1985 | The Boston Bronze Age have moved Snicker Doodle to the active roster. The Boston Bronze Age have moved Bill Dawson to the inactive roster. |
| 09-02-1985 | The Boston Bronze Age have moved Bill Dawson to the active roster. |
| 09-02-1985 | The Boston Bronze Age have acquired Bill Dawson from the waiver wire. |
| 08-26-1985 | The Las Vegas White Elephants have waived Bill Dawson. |
| 11-29-1982 | The Omaha Savages have moved Bill Dawson and Bob Preston to the active roster. The Omaha Savages have moved Ron Moore and Matt Grant to the inactive roster. |
| 11-01-1982 | The Omaha Savages have moved Bill Dawson to the inactive roster. |
| 10-31-1982 | Bill Dawson of the Omaha Savages is injured with a hamstring strain and is expected to be out for approximately 30 days. |
| 08-23-1981 | Trade #70521 has been completed between the Omaha Savages and the Winnipeg Mastodon. The Winnipeg Mastodon receive Mike Parker (WR), Draft Pick - 1982 Round 3 (OMA) from the Omaha Savages in exchange for Bill Dawson (WR). |
| 05-03-1981 | The Winnipeg Mastodon have moved Bill Dawson to the active roster. The Winnipeg Mastodon have moved Izzy Taylor to the inactive roster. |
| 12-22-1980 | The Winnipeg Mastodon have moved Presque Isle and Dick Hape to the active roster. The Winnipeg Mastodon have moved Bill Dawson and Ron Clemons to the inactive roster. |
| 12-15-1980 | The Winnipeg Mastodon have moved Bill Dawson to the active roster. The Winnipeg Mastodon have moved Dick Hape to the inactive roster. |
| 12-01-1980 | The Winnipeg Mastodon have moved Charlie Reynolds and Dick Hape to the active roster. The Winnipeg Mastodon have moved Bill Dawson and Bert Parriott to the inactive roster. |
| 11-24-1980 | The Winnipeg Mastodon have moved Bill Dawson to the active roster. The Winnipeg Mastodon have moved Dick Hape to the inactive roster. |
| 11-23-1980 | The Winnipeg Mastodon have moved Izzy Taylor to the active roster. The Winnipeg Mastodon have moved Bill Dawson to the inactive roster. |
| 09-07-1980 | The Winnipeg Mastodon have moved Bill Dawson to the active roster. The Winnipeg Mastodon have moved Mac Byrd to the inactive roster. |
| 09-07-1980 | The Winnipeg Mastodon have moved Bert Parriott to the active roster. The Winnipeg Mastodon have moved Bill Dawson to the inactive roster. |
| 11-12-1979 | The Winnipeg Mastodon have moved Bill Dawson to the active roster. The Winnipeg Mastodon have moved Kenith Black to the inactive roster. |
| 11-05-1979 | The Winnipeg Mastodon have moved Kenith Black to the active roster. The Winnipeg Mastodon have moved Bill Dawson to the inactive roster. |
| 10-08-1979 | The Winnipeg Mastodon have moved Bill Dawson and Novo Grate to the active roster. The Winnipeg Mastodon have moved Kenith Black and Dennis Branch to the inactive roster. |
| 09-02-1979 | The Winnipeg Mastodon have moved Gary Phillips and Jackie Ozdowski to the active roster. The Winnipeg Mastodon have moved Bill Dawson and Alabama Snell to the inactive roster. |
| 08-27-1979 | The Winnipeg Mastodon have moved Mike McIntosh, Alabama Snell, Bill Dawson, and Shawn Graham to the active roster. The Winnipeg Mastodon have moved Jackie Ozdowski, Napoleon Chaffey, Gary Phillips, and Ron Clemons to the inactive roster. |
| 08-19-1979 | The Winnipeg Mastodon have moved Jackie Ozdowski and Vince Scott to the active roster. The Winnipeg Mastodon have moved Alabama Snell and Bill Dawson to the inactive roster. |
| 08-06-1979 | The Winnipeg Mastodon have moved Mac Byrd, Bill Dawson, and Alabama Snell to the active roster. The Winnipeg Mastodon have moved Jackie Ozdowski, Vince Scott, and Toddrick Johnson to the inactive roster. |
| 12-31-1978 | The Montreal Mastodon have moved Mike Austin, Jesse Grottkau, Neal Howard, Jackie Ozdowski, Bob Jackson, John Trocano, and Dick Hernandez to the active roster. The Montreal Mastodon have moved Pepper Jolly, Mac Byrd, Bill Dawson, Leonard Eissler, Dick Hape, Novo Grate, and Bob Bartholomew to the inactive roster. |
| 12-25-1978 | The Montreal Mastodon have moved Bill Dawson to the active roster. The Montreal Mastodon have moved Bob Jackson to the inactive roster. |
| 12-04-1978 | The Montreal Mastodon have moved Ken Snyder to the active roster. The Montreal Mastodon have moved Bill Dawson to the inactive roster. |
| 11-20-1978 | The Montreal Mastodon have moved Bill Dawson to the active roster. The Montreal Mastodon have moved Kenith Black to the inactive roster. |
| 11-20-1978 | The Montreal Mastodon have moved Bill Dawson to the inactive roster. |
| 11-20-1978 | Trade #69765 has been completed between the Montreal Mastodon and the Green Bay Brawlers. The Green Bay Brawlers receive Draft Pick - 1979 Round 2 (MON) from the Montreal Mastodon in exchange for Bill Dawson (WR). |
| 08-13-1978 | The Green Bay Brawlers have moved Bill Dawson and North Dakota to the active roster. The Green Bay Brawlers have moved Troy McCoy and Anthony Pratt to the inactive roster. |
| 08-30-1976 | The Green Bay Brawlers have acquired Bill Dawson from the waiver wire. |
| 08-22-1976 | The San Francisco Sea Gods have waived Bill Dawson. |
Wide Receiver