| Date | Transaction |
| 02-28-1990 | Bullet Shaffer has retired from football. |
| 01-21-1990 | The Anaheim War Machines have waived Bullet Shaffer. |
| 11-02-1986 | Trade #61608 has been completed between the Minnesota Psycho Hippos and the Anaheim War Machines. The Anaheim War Machines receive Bullet Shaffer (TE) from the Minnesota Psycho Hippos in exchange for Draft Pick - 1988 Round 5 (ANA). |
| 09-02-1985 | The Minnesota Psycho Hippos have moved Dewayne Hydrogen to the active roster. The Minnesota Psycho Hippos have moved Bullet Shaffer and L.A. MacDonnell to the inactive roster. |
| 09-12-1982 | Trade #58757 has been completed between the Washington Xenomorphs and the Minnesota Psycho Hippos. The Minnesota Psycho Hippos receive Anthony Traynowicz (S), Bullet Shaffer (TE) from the Washington Xenomorphs in exchange for Draft Pick - 1985 Round 3 (MIN). |
| 09-05-1982 | The Washington Xenomorphs have moved A.B. Blackwell, Joe Grant, Joe Sigurdson, Bullet Shaffer, Chad McKalip, Chase Jackson, Joe Stewart, Ken Williams, Bob Beverly, Shawn Sanders, Terry Mitchell, Dave Richardson, Al Bailey, Tyrus Lee, Brian Speck, Halvor Elway, Anthony Traynowicz, and Clark Weary to the active roster. The Washington Xenomorphs have moved Steve Noga, Brian Stallings, Carl Beach, Buchanan Barnes, John McPhee, Pete Phifer, Jake Richardson, Mac Rembert, L.A. MacDonnell, Wuert Johnson, Raymond Rose, Bernie Stalls, Johnny Christensen, Dale Harvin, George Barnes, Bill Curry, Lakei Woodbury, and Minion "Singing" Mark to the inactive roster. |
| 08-30-1982 | The Washington Xenomorphs have moved Dan Breitenstein, Bill Curry, Mac Rembert, Reggie Rambo, Johnny Christensen, Lakei Woodbury, Minion "Singing" Mark, Brian Stallings, Jake Richardson, John McPhee, Pete Phifer, Bernie Stalls, L.A. MacDonnell, Dale Harvin, John Briggs, and Raymond Rose to the active roster. The Washington Xenomorphs have moved Bob Beverly, Al Bailey, Tyrus Lee, Terry Mitchell, Halvor Elway, Clark Weary, A.B. Blackwell, Chad McKalip, Brian Speck, Shawn Sanders, Ken Williams, Joe Sigurdson, Bullet Shaffer, Dave Richardson, Chase Jackson, and Joe Grant to the inactive roster. |
| 08-23-1982 | The Washington Xenomorphs have moved Dave Richardson, John Krakau, Joe Sigurdson, Bullet Shaffer, Steve Forrest, Chase Jackson, Gene Atkins, Halvor Elway, Kurt Saunooke, A.B. Blackwell, Chad McKalip, and Shawn Sanders to the active roster. The Washington Xenomorphs have moved L.A. MacDonnell, Craig Baggett, Pete Phifer, Dale Harvin, Minion "Singing" Mark, Dan Breitenstein, Jake Richardson, Bernie Stalls, Johnny Christensen, DionDre Batson, Byron Diggs, and Bill Curry to the inactive roster. |
| 08-09-1982 | The Washington Xenomorphs have moved Kevin Brown, George Barnes, Steve Gurode, Gene Atkins, Steve Noga, Ken Williams, Mac Rembert, and Bill Black to the active roster. The Washington Xenomorphs have moved Buchanan Barnes, Bullet Shaffer, John Briggs, John McPhee, Dale Harvin, Dan Breitenstein, Wuert Johnson, and Bill Curry to the inactive roster. |
| 09-14-1981 | The Washington Xenomorphs have placed Bullet Shaffer on the Injured Reserve list for the remainder of the season. |
| 09-13-1981 | Bullet Shaffer of the Washington Xenomorphs is injured with a knee derangement and is expected to be out for approximately 31 days. |
| 12-22-1980 | The Washington Xenomorphs have moved Bullet Shaffer and A.B. Blackwell to the active roster. The Washington Xenomorphs have moved Dave Richardson, Chase Jackson, Kurt Saunooke, and Chad McKalip to the inactive roster. |
| 12-15-1980 | The Washington Xenomorphs have moved Raymond Rose, Byron Diggs, Jarvis Mark, Dee Johnson, Louis Nwokorie, and Bill Curry to the active roster. The Washington Xenomorphs have moved A.B. Blackwell, Bullet Shaffer, Ken Williams, Shawn Sanders, John Briggs, George Barnes, and Tyrus Lee to the inactive roster. |
| 09-08-1980 | The Washington Xenomorphs have moved Bullet Shaffer to the active roster. The Washington Xenomorphs have moved Buchanan Barnes to the inactive roster. |
| 09-01-1980 | The Washington Xenomorphs have moved Kurt Saunooke, Joe Grant, Chad McKalip, Chase Jackson, Joe Stewart, Ken Williams, Al Cowne, Shawn Sanders, Terry Mitchell, John Briggs, Reggie Rambo, Hessley Brigance, George Barnes, Dave Richardson, Tyrus Lee, Lakei Woodbury, Bill Nichols, Halvor Elway, and Anthony Traynowicz to the active roster. The Washington Xenomorphs have moved Nathan Harlow, Mark Ellis, Aaron Bracken, Tom Cook, John McPhee, Bullet Shaffer, Steve Walker, Drew Mincy, M.L. Wiley, Bob Goebel, Byron Diggs, Chief Williams, Keith McGriff, Jim Anderson, Ed Reilly, Jarvis Mark, Dee Johnson, Larry Franklin, and Stan Tuiasosopo to the inactive roster. |
| 12-10-1979 | The Washington Xenomorphs have moved Bullet Shaffer, Jarvis Mark, and Keith McGriff to the active roster. The Washington Xenomorphs have moved Drew Mincy, Jim Anderson, and Tom Cook to the inactive roster. |
| 12-03-1979 | The Washington Xenomorphs have moved Drew Mincy, Tom Cook, and Eagle Harris to the active roster. The Washington Xenomorphs have moved Bullet Shaffer, John McPhee, and Larry Mathys to the inactive roster. |
| 11-26-1979 | The Washington Xenomorphs have moved Bullet Shaffer to the active roster. The Washington Xenomorphs have moved Drew Mincy to the inactive roster. |
| 11-12-1979 | The Washington Xenomorphs have moved Drew Mincy, Tom Cook, and Eagle Harris to the active roster. The Washington Xenomorphs have moved Bullet Shaffer, Raymond Rose, and Keith McGriff to the inactive roster. |
| 11-05-1979 | The Washington Xenomorphs have moved Bullet Shaffer and John McPhee to the active roster. The Washington Xenomorphs have moved Drew Mincy and Eagle Harris to the inactive roster. |
| 10-29-1979 | The Washington Xenomorphs have moved Drew Mincy, Bob Goebel, Jim Anderson, and Eagle Harris to the active roster. The Washington Xenomorphs have moved Aaron Bracken, Tom Cook, John McPhee, and Bullet Shaffer to the inactive roster. |
| 10-15-1979 | The Washington Xenomorphs have moved Bullet Shaffer, Raymond Rose, and Jarvis Mark to the active roster. The Washington Xenomorphs have moved Tom Cook, Drew Mincy, and Eagle Harris to the inactive roster. |
| 10-08-1979 | The Washington Xenomorphs have moved Bill Black to the active roster. The Washington Xenomorphs have moved Bullet Shaffer to the inactive roster. |
| 09-02-1979 | The Washington Xenomorphs have moved Bob Duckett, Bullet Shaffer, and Keith McGriff to the active roster. |
| 09-02-1979 | The Washington Xenomorphs have moved Bill Nichols, John Briggs, Tom Tobin, George Barnes, Tyrus Lee, Joe Stewart, Dale Harvin, Ken Williams, Eric Fellows, Joe Grant, Kurt Saunooke, Terry Mitchell, Hessley Brigance, Wuert Johnson, Lakei Woodbury, A.B. Blackwell, Larry Mathys, Chad McKalip, Shawn Sanders, and Al Cowne to the active roster. The Washington Xenomorphs have moved Bob Duckett, Andy Ptacek, Todd Peabody, Bullet Shaffer, Obafemi Krauss, Drew Mincy, Charlie DeGree, Jarvis Mark, Ernie Johnson, Aaron Bracken, Jim Anderson, Tom Cook, John McPhee, Eagle Harris, Stan Tuiasosopo, Bill Layden, Freddie Doig, Joe Lyons, Shawn Bostic, Rebel Moffett, and Keith McGriff to the inactive roster. |
| 08-12-1979 | The Washington Xenomorphs have moved Andy Ptacek, Bullet Shaffer, Charlie DeGree, Ernie Johnson, Harrison Brewster, Dan Breitenstein, and Bob Beverly to the active roster. The Washington Xenomorphs have moved Eddie Manella, Randy Siegert, Dale Harvin, Eric Fellows, Chad McKalip, Shawn Sanders, and Al Cowne to the inactive roster. |
| 08-06-1979 | The Washington Xenomorphs have moved John Young, Chase Jackson, Milan Hubka, Bill Black, and Keith McGriff to the active roster. The Washington Xenomorphs have moved Marv Williams, Bullet Shaffer, Drew Mincy, Jim Anderson, Bob Goebel, and Bob Beverly to the inactive roster. |
| 12-25-1978 | The Washington Xenomorphs have moved Bob Duckett, Aaron Bracken, Bullet Shaffer, Keith McGriff, Jim Anderson, Jarvis Mark, and Eagle Harris to the active roster. The Washington Xenomorphs have moved Larry Mathys, Chad McKalip, Joe Stewart, Shawn Sanders, Eric Fellows, John Briggs, and Hessley Brigance to the inactive roster. |
| 12-18-1978 | The Washington Xenomorphs have moved Marv Williams, Eddie Manella, Dee Johnson, and John McPhee to the active roster. The Washington Xenomorphs have moved Bob Duckett, Bullet Shaffer, Jarvis Mark, and Jim Anderson to the inactive roster. |
| 12-11-1978 | The Washington Xenomorphs have moved Bob Duckett, Joe Sigurdson, Bullet Shaffer, Hessley Brigance, and Jarvis Mark to the active roster. The Washington Xenomorphs have moved Aaron Bracken, Dale Harvin, Eddie Manella, Marv Williams, and Dee Johnson to the inactive roster. |
| 12-04-1978 | The Washington Xenomorphs have moved Aaron Bracken, Eddie Manella, John Young, and Dee Johnson to the active roster. The Washington Xenomorphs have moved Bob Duckett, Joe Sigurdson, Bullet Shaffer, and Eagle Harris to the inactive roster. |
| 11-27-1978 | The Washington Xenomorphs have moved Bob Duckett, Bullet Shaffer, Bob Goebel, and Larry Mathys to the active roster. The Washington Xenomorphs have moved John Young, Jarvis Mark, Eddie Manella, and John McPhee to the inactive roster. |
| 11-20-1978 | The Washington Xenomorphs have moved John Krakau, Eddie Manella, John Young, Stan Sprinkle, and Jarvis Mark to the active roster. The Washington Xenomorphs have moved Bob Duckett, Bullet Shaffer, Larry Mathys, Bob Goebel, and Dee Johnson to the inactive roster. |
| 11-06-1978 | The Washington Xenomorphs have moved Bullet Shaffer to the active roster. |
| 11-06-1978 | The Washington Xenomorphs have moved Abdul Orton, Joe Sigurdson, Ken Williams, and Bob Goebel to the active roster. The Washington Xenomorphs have moved Aaron Bracken, Bullet Shaffer, Marv Williams, Dee Johnson, and Eagle Harris to the inactive roster. |
| 10-30-1978 | The Washington Xenomorphs have moved Bullet Shaffer, Jarvis Mark, Dee Johnson, and Eagle Harris to the active roster. The Washington Xenomorphs have moved Abdul Orton, Joe Sigurdson, Ken Williams, and Bob Goebel to the inactive roster. |
| 10-23-1978 | The Washington Xenomorphs have moved John Young, Drew Mincy, Wuert Johnson, and Abdul Orton to the active roster. The Washington Xenomorphs have moved Bob Duckett, Bullet Shaffer, Jarvis Mark, and Dee Johnson to the inactive roster. |
| 10-02-1978 | The Washington Xenomorphs have moved Joe Sigurdson, Bullet Shaffer, Jarvis Mark, and John McPhee to the active roster. The Washington Xenomorphs have moved John Young, Bob Goebel, Eagle Harris, and Abdul Orton to the inactive roster. |
| 09-11-1978 | The Washington Xenomorphs have moved Bob Duckett, Jim Anderson, and Eagle Harris to the active roster. The Washington Xenomorphs have moved John Young, Bullet Shaffer, and Brian Hudson to the inactive roster. |
| 08-13-1978 | The Washington Xenomorphs have moved Bob Duckett, Mark Ellis, Bullet Shaffer, Drew Mincy, Eddie Manella, Otto Siegal, Freddie Doig, Dale London, Chief Williams, Phillip Mullen, Frank Case, and Brad Moegle to the active roster. The Washington Xenomorphs have moved Randy Siegert, George Barnes, Dale Harvin, Eric Fellows, Tom Corker, Kurt Saunooke, Joe Buggs, A.B. Blackwell, Brian Hudson, Chad McKalip, Shawn Sanders, and Al Cowne to the inactive roster. |
Tight End