| Date | Transaction |
| 02-28-1978 | Fred Hauser has retired from football. |
| 01-02-1978 | The Los Angeles Thunderbirds have waived Fred Hauser. |
| 01-02-1978 | The Los Angeles Thunderbirds have moved Darren Flenniken, Jan Vasicek, Barry Goodnight, and Gregg Hempstead to the active roster. The Los Angeles Thunderbirds have moved Jim Washington, Alvin Hultz, Doc Bachman, and Fred Hauser to the inactive roster. |
| 12-12-1977 | The Los Angeles Thunderbirds have moved Fred Hauser to the active roster. The Los Angeles Thunderbirds have moved Darren Flenniken to the inactive roster. |
| 08-22-1977 | The Los Angeles Thunderbirds have moved Rod Hansen to the active roster. The Los Angeles Thunderbirds have moved Fred Hauser to the inactive roster. |
| 09-19-1976 | The Los Angeles Thunderbirds have moved Fred Hauser to the active roster. The Los Angeles Thunderbirds have moved Rod Anderson to the inactive roster. |
| 09-13-1976 | The Los Angeles Thunderbirds have moved Ed Wise to the active roster. The Los Angeles Thunderbirds have moved Fred Hauser to the inactive roster. |
| 09-05-1976 | The Los Angeles Thunderbirds have moved Fred Hauser to the active roster. The Los Angeles Thunderbirds have moved Ben Weatherall to the inactive roster. |
| 08-15-1976 | The Los Angeles Thunderbirds have moved Jim Washington, Rich Henderson, Dave Hill, and Rod Anderson to the active roster. The Los Angeles Thunderbirds have moved Hershel Greene, Fred Hauser, Leon Talton, and Mike Okeafor to the inactive roster. |
| 08-18-1975 | The Los Angeles Thunderbirds have moved Fred Hauser and Jack Willis to the active roster. The Los Angeles Thunderbirds have moved Bobby Reid and Tim Smith to the inactive roster. |
| 08-18-1975 | The Los Angeles Thunderbirds have acquired Fred Hauser from the waiver wire. |
| 08-10-1975 | The Hartford Hooligans have moved Dave Rundquist to the active roster. The Hartford Hooligans have moved Terry Crouch to the inactive roster. |
| 08-10-1975 | The Hartford Hooligans have waived Fred Hauser. |
| 10-14-1974 | The Hartford Hooligans have moved George Sampson to the active roster. The Hartford Hooligans have moved Fred Hauser to the inactive roster. |
| 09-29-1974 | The Hartford Hooligans have moved Fred Hauser, Sam Robinson, and Tony Lucas to the active roster. The Hartford Hooligans have moved Greg Cope, George Sampson, and Hew Vaughn to the inactive roster. |
| 08-05-1974 | The Hartford Hooligans have moved Jack Thompson to the active roster. The Hartford Hooligans have moved Fred Hauser to the inactive roster. |
| 08-05-1974 | The Hartford Hooligans have moved Fred Hauser to the active roster. The Hartford Hooligans have moved Jack Thompson to the inactive roster. |
| 08-05-1974 | The Hartford Hooligans have moved Reeves Kuzman and Jerry Den Herder to the active roster. The Hartford Hooligans have moved Fred Hauser and Rob Iglehart to the inactive roster. |
| 10-18-1971 | The Hartford Hooligans have moved Fred Hauser to the active roster. The Hartford Hooligans have moved Pat Daniels, Kervin Elam, and Chris Montreuil to the inactive roster. |
| 09-13-1971 | The Hartford Hooligans have moved Darris David and Cory Horn to the active roster. The Hartford Hooligans have moved Rob Iglehart and Fred Hauser to the inactive roster. |
| 09-12-1971 | Fred Hauser of the Hartford Hooligans is injured with an ankle ligament sprain and is expected to be out for approximately 37 days. |
| 12-06-1970 | Fred Hauser of the Tennessee Haiku is injured with a mild concussion and is expected to be out for approximately 5 days. |
| 10-19-1970 | The Tennessee Haiku have moved Fred Hauser to the active roster. |
Defensive End