| Date | Transaction |
| 12-08-1986 | The Cleveland Ironmen have waived Andy Gillingham. |
| 12-08-1986 | The Cleveland Ironmen have acquired Andy Gillingham from the waiver wire. |
| 08-04-1986 | The Montreal Mastodon have waived Andy Gillingham. |
| 12-30-1985 | The Montreal Mastodon have acquired Andy Gillingham from the waiver wire; however, as he was traded or waived after the deadline and has not spent a full week on the wire, he will not be eligible for the postseason. |
| 12-30-1985 | The Montreal Mastodon have waived Andy Gillingham. |
| 12-30-1985 | The Montreal Mastodon have acquired Andy Gillingham from the waiver wire. |
| 11-18-1985 | The Cleveland Ironmen have waived Andy Gillingham. |
| 11-18-1985 | The Cleveland Ironmen have acquired Andy Gillingham from the waiver wire. |
| 11-17-1985 | The Cleveland Ironmen have automatically waived Andy Gillingham to comply with the 53-man roster limit. |
| 11-04-1985 | The Cleveland Ironmen have changed Dennis Sonnenberg's name to Andy Gillingham. |
| 11-04-1985 | The Cleveland Ironmen have moved Big Ed Roebuck to the active roster. The Cleveland Ironmen have moved Dennis Sonnenberg to the inactive roster. |
| 11-03-1985 | The Cleveland Ironmen have acquired Dennis Sonnenberg from the waiver wire. |
| 08-27-1984 | The Montreal Mastodon have waived Dennis Sonnenberg. |
| 08-27-1984 | The Montreal Mastodon have acquired Dennis Sonnenberg from the waiver wire. |
| 08-24-1981 | The Boston Minutemen have waived Dennis Sonnenberg. |
| 12-08-1980 | The Boston Minutemen have moved Arnie O'Neal, Dennis Sonnenberg, Ian Riley, and Steve Turbert to the active roster. The Boston Minutemen have moved Gene Geyer, Art Early, Dennis Branch, and Dale Meeker to the inactive roster. |
| 09-01-1980 | The Boston Minutemen have moved Johnny Pauley and Rupert Sandberg to the active roster. The Boston Minutemen have moved Dennis Sonnenberg to the inactive roster. |
| 08-04-1980 | The Boston Minutemen have moved Harry Clark, Dennis Sonnenberg, Ray Sykes, Jimmy Johnston, DeMarcus Jones, Larry MacDonnell, Warren Bax, and Kyle Stewart to the active roster. The Boston Minutemen have moved Harry Brown, Herb Allotey, Tyrone Woody, Johnny Pauley, Ty Durkota, Dave Brewster, and John Carpenter to the inactive roster. |
| 12-24-1979 | The Boston Minutemen have moved Dennis Sonnenberg, Fernando Hamilton, Harry Clark, Lydell Long, and Dale Meeker to the active roster. The Boston Minutemen have moved Mike Cooper, Art Early, Ed Rhodes, and Harry Brown to the inactive roster. |
| 11-06-1978 | The Boston Minutemen have moved Johnny Pauley to the active roster. The Boston Minutemen have moved Dennis Sonnenberg to the inactive roster. |
| 10-09-1978 | The Boston Minutemen have moved Dennis Sonnenberg to the active roster. |
| 10-09-1978 | The Boston Minutemen have acquired Dennis Sonnenberg from the waiver wire. |
| 08-20-1978 | The Montreal Mastodon have moved Mike Austin to the active roster. The Montreal Mastodon have moved Joe Martin to the inactive roster. |
| 08-20-1978 | The Montreal Mastodon have waived Dennis Sonnenberg. |
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