| Date | Transaction |
| 02-28-2104 | Len Klewicki has retired from football. |
| 12-16-2103 | The Philadelphia Federalists have moved Pete Bancroft to the active roster. The Philadelphia Federalists have moved Mike Ledyard to the inactive roster. |
| 12-16-2103 | The Philadelphia Federalists have waived Len Klewicki. |
| 12-09-2103 | The Philadelphia Federalists have moved Karl Williams, Jim Scott, Tony Jackson, Junior Whisenhunt, Gerald Sims, Cleo Washington, and Clarence McCullough to the active roster. The Philadelphia Federalists have moved Freeman Stewart, Carl Humble, Alvin Johnson, Len Klewicki, Earl Driver, Andre Morrison, and Cedric Wilson to the inactive roster. |
| 09-10-2103 | The Philadelphia Federalists have moved Len Klewicki to the active roster. |
| 09-10-2103 | The Philadelphia Federalists have acquired Len Klewicki from the waiver wire. |
| 09-03-2103 | The San Antonio Cavalry have waived Len Klewicki. |
| 08-06-2103 | The San Antonio Cavalry have moved Len Klewicki to the active roster. The San Antonio Cavalry have moved Robert Kissell to the inactive roster. |
| 08-06-2103 | The San Antonio Cavalry have acquired Len Klewicki from the waiver wire. |
| 09-18-2102 | The Philadelphia Federalists have waived Len Klewicki. |
| 09-10-2102 | The Philadelphia Federalists have acquired Len Klewicki from the waiver wire. |
| 08-21-2102 | The British Columbia Brawlers have waived Len Klewicki. |
| 09-04-2101 | The British Columbia Brawlers have moved Bill McMahon, Barry Price, Jim Young, Billy Zunker, Joe Okoniewski, and Floyd Hunsinger to the active roster. The British Columbia Brawlers have moved Kendrell Schroy, Ken Tavener, Jeff Waldrop, Carl Fowler, Len Klewicki, and Mike Moore to the inactive roster. |
| 09-14-2098 | Len Klewicki of the British Columbia Brawlers is injured with a leg contusion and is expected to be out for approximately 6 days. |
| 08-17-2098 | The British Columbia Brawlers have moved Len Klewicki to the active roster. The British Columbia Brawlers have moved Frank Williams to the inactive roster. |
| 12-16-2097 | The British Columbia Brawlers have moved Frank Williams to the active roster. The British Columbia Brawlers have moved Len Klewicki to the inactive roster. |
| 08-05-2097 | The British Columbia Brawlers have moved Marco Thompson, Johnnie Van Raaphorst, Mike Moore, Horace Glenn, David Fitzgerald, Joe Benefield, Kiwaukee Parrish, Len Klewicki, and Paul Corker to the active roster. The British Columbia Brawlers have moved Dennis Kovatch, Russell Brown, Doug Heap, Frank Williams, Jim Young, William Kitchings, Don McShea, Floyd Hunsinger, and Bill McMahon to the inactive roster. |
| 09-03-2096 | The British Columbia Brawlers have moved Harvey Sturt, William Kitchings, Jim Young, Don McShea, Milford Deese, Bill McMahon, Frank Williams, Doug Heap, and Dennis Kovatch to the active roster. The British Columbia Brawlers have moved Art White, Mike McClard, Fred Brady, Johnnie Van Raaphorst, Mark Seabron, Len Klewicki, Eric Braatz, and David Fitzgerald to the inactive roster. |
| 08-06-2096 | The British Columbia Brawlers have moved Eric Braatz, Johnnie Van Raaphorst, John Harris, Jeff Waldrop, Mike Moore, Fred Brady, Carl Fowler, Leonta White, David Fitzgerald, Clarence McCullough, Craig Canada, Len Klewicki, and Norm Henry to the active roster. The British Columbia Brawlers have moved Marco Thompson, Dennis Kovatch, Russell Brown, Paul Bryant, Doug Heap, Milford Deese, Frank Williams, Leroy Vick, Don McShea, Bill Thomas, Harvey Sturt, Dick Cunningham, and Bill McMahon to the inactive roster. |
| 11-14-2095 | The British Columbia Brawlers have moved Terrence Brown, Jim Cunningham, Dick Bennett, and Dennis Kovatch to the active roster. The British Columbia Brawlers have moved Fred Brady, Johnnie Van Raaphorst, Len Klewicki, and Eric Braatz to the inactive roster. |
| 10-10-2095 | The British Columbia Brawlers have moved Len Klewicki to the active roster. The British Columbia Brawlers have moved Dick Bennett to the inactive roster. |
| 09-05-2095 | The British Columbia Brawlers have moved Harvey Sturt, Milford Deese, Frank Williams, Paul Bryant, Billy Zunker, Bill Thomas, and Dennis Kovatch to the active roster. The British Columbia Brawlers have moved Fred Brady, Johnnie Van Raaphorst, Len Klewicki, David Fitzgerald, Eric Braatz, George Cooper, and Stan Jilek to the inactive roster. |
| 09-15-2092 | The British Columbia Brawlers have moved Len Klewicki to the active roster. The British Columbia Brawlers have moved Jim Leicht to the inactive roster. |
| 09-15-2092 | The British Columbia Brawlers have acquired Len Klewicki from the waiver wire. |
| 09-14-2092 | The Detroit Dream Dashers have automatically waived Len Klewicki to comply with the 53-man roster limit. |
| 08-31-2092 | The Detroit Dream Dashers have moved Toniu Hooper, Joe Potts, Jon Miller, and Mike "ToTheOccasion" Rose to the active roster. The Detroit Dream Dashers have moved Len Klewicki and Phil Roberts to the inactive roster. |
| 08-04-2092 | The Detroit Dream Dashers have moved Cory Bercich, Wooky Zapalac, John Rowland, Len Klewicki, David London, Wendall Lang, and Ray Huard to the active roster. The Detroit Dream Dashers have moved Jim "HaveYou" Heard, O.J. Taylor, Jim Lane, Joe Potts, and Jon Miller to the inactive roster. |
Defensive End