| Date | Transaction |
| 02-28-1975 | Scott Grgach has retired from football. |
| 09-01-1974 | The Washington Xenomorphs have waived Scott Grgach. |
| 09-01-1974 | The Washington Xenomorphs have moved Larry Walton, Drew Mincy, Len Tarver, John Briggs, Tom Tobin, George Barnes, Bill Babinecz, Seneca Westbrook, Jim Burrough, George Gillespie, Stan Sprinkle, Lakei Woodbury, A.B. Blackwell, and Shawn Sanders to the active roster. The Washington Xenomorphs have moved Daryle Heater, Kwame Pepper, Maury Roepke, Jim Anderson, Keith Nelson, Jim Linne, Frank Gauer, Steve Maurer, Michael Kostrewa, Chief Williams, Scott Grgach, Bill Apple, Rickey Bedford, and Don Moore to the inactive roster. |
| 08-25-1974 | The Washington Xenomorphs have moved Kwame Pepper, Maury Roepke, Jim Anderson, Keith Nelson, John Mallouf, Dick Vinatieri, Jim Linne, Dale London, Steve Maurer, Chief Williams, Scott Grgach, Lional Lauro, Doug Parker, and Don Moore to the active roster. The Washington Xenomorphs have moved Drew Mincy, Len Tarver, John Briggs, Tom Tobin, George Barnes, Bill Babinecz, Seneca Westbrook, Jim Burrough, Stan Sprinkle, Lakei Woodbury, A.B. Blackwell, and Shawn Sanders to the inactive roster. |
| 08-19-1974 | The Washington Xenomorphs have moved Larry Harvey to the active roster. The Washington Xenomorphs have moved Scott Grgach to the inactive roster. |
| 08-05-1974 | The Washington Xenomorphs have moved Scott Grgach and Chad McKalip to the active roster. The Washington Xenomorphs have moved Kwame Pepper and Hessley Brigance to the inactive roster. |
| 08-05-1974 | The Washington Xenomorphs have acquired Scott Grgach from the waiver wire. |
| 11-05-1973 | The Providence Heretics have waived Scott Grgach. |
| 09-15-1968 | Scott Grgach of the Providence Heretics is injured with a hip contusion and is expected to be out for approximately 5 days. |
| 01-01-1968 | The Providence Heretics have moved Scott Grgach to the active roster. The Providence Heretics have moved Curt Barnett to the inactive roster. |
| 11-12-1967 | The Providence Heretics have moved Bob Conover to the active roster. The Providence Heretics have moved Scott Grgach to the inactive roster. |
| 11-12-1967 | Scott Grgach of the Providence Heretics is injured with a shoulder dislocation and is expected to be out for approximately 55 days. |
| 09-16-1962 | Scott Grgach of the Providence Heretics is injured with a shoulder ligament sprain and is expected to be out for approximately 15 days. |
| 08-08-1960 | The Providence Heretics have changed Scott Grgich's name to Scott Grgach. |
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