| Date | Transaction |
| 02-28-2043 | John Johnson has retired from football. |
| 08-26-2040 | The Jacksonville Floridians have waived John Johnson. |
| 08-12-2040 | The Jacksonville Floridians have moved John Johnson, Travis Darns, Keith Underwood, Tony Hollas, John Gaynor, and Karl Murphy to the active roster. The Jacksonville Floridians have moved Roger Reese, Trey O'Brien, Jamey Hendricks, Eddie McDonald, Lamar Priest, Maurice Kenny, and Dennis Mangum to the inactive roster. |
| 09-12-2039 | The Jacksonville Floridians have moved Mike Hymes to the active roster. The Jacksonville Floridians have moved John Johnson to the inactive roster. |
| 08-15-2038 | The Jacksonville Floridians have moved Leon Korell, Eddie Williams, Milt Fahay, Joe Ruud, Kline Scott, John Johnson, Ron Williams, and Dennis Mangum to the active roster. The Jacksonville Floridians have moved Sweeny Harrington, Cecil Winslow, Jamey Hendricks, Lamar Priest, Maurice Kenny, Trey O'Brien, Billy Carr, Scott Jordan, Sam Francis, and Ricardo Bishop to the inactive roster. |
| 09-06-2037 | The Jacksonville Floridians have moved Paul Jefferson, Lamar Priest, and Maurice Kenny to the active roster. The Jacksonville Floridians have moved John Johnson and Gil Bennett to the inactive roster. |
| 08-31-2037 | The Jacksonville Floridians have acquired John Johnson from the waiver wire. |
| 08-23-2037 | The Miami Xenomorphs have waived John Johnson. |
| 05-03-2037 | The Miami Xenomorphs have acquired John Johnson from the waiver wire. |
| 09-01-2036 | The Philadelphia Federalists have waived John Johnson. |
| 08-31-2036 | The Philadelphia Federalists have moved Barnes Carter, Steve Wright, Michael Ball, Ray Davis, and Shante Casteel to the active roster. The Philadelphia Federalists have moved Fred Pugh, John Johnson, John Moss, Tom Carpenter, and Koy Andrusking to the inactive roster. |
| 04-27-2036 | The Philadelphia Federalists have moved John Johnson, Charlie Owens, Larry Kriel, John Moss, and Earl Jackson to the active roster. The Philadelphia Federalists have moved Barnes Carter, Steve Wright, Tony Baggadonuts, Shante Casteel, and Ted Karras to the inactive roster. |
| 04-27-2036 | The Philadelphia Federalists have acquired John Johnson from the waiver wire. |
| 08-19-2035 | The Miami Xenomorphs have waived John Johnson. |
| 08-19-2035 | The Miami Xenomorphs have moved Cecil Heffernan, Marion Kapitansky, Billy Carr, Ed Fuller, Marcus Helton, Darryl Crockett, Bob Grove, Sam Ketzko, Dick Crouse, Barry Sark, Ron Knight, Hal Trocolor, Dale Haliburton, Lamar Sanford, Harold Chamberlain, Stafford Minor, Champ Hauser, Coleman Tingelhoff, Brady Peavey, Ben Franck, Jeff Gamble, Monty Berquist, Milt Maitland, Harold Polofsky, Charles Bundren, Tommy Plantz, and Hagood Evans to the active roster. The Miami Xenomorphs have moved Lamanzer Meeks, Marlon Sherman, John Johnson, Cornelius Jackson, Charlie Rushing, Richard Lynn, Frank Clark, Hersh Morgan, Alex Parsons, Phil Lilly, Ricky McCall, Allen Anderson, Art Pool, Mike Wesley, Charlie Bellamy, Ickey Malcolm, Lorenzo Savoldi, Verl Farr, George Lockett, Israel O'Neil, Alphonso Smith, Harold Muray, Ron Stams, Derwin Baldinger, Derrick Swisher, Jarrod Bryant, and Alan Bordelon to the inactive roster. |
| 08-12-2035 | The Miami Xenomorphs have moved John Johnson, Cornelius Jackson, Charlie Rushing, Dave Peat, Phil Lilly, Allen Anderson, Art Pool, Mike Wesley, Charlie Bellamy, George Lockett, Alphonso Smith, Harold Muray, Jerry Cotton, and Jarrod Bryant to the active roster. The Miami Xenomorphs have moved Marion Kapitansky, Billy Carr, Ed Fuller, Bob Grove, Dick Crouse, Barry Sark, Ron Knight, Hal Trocolor, Stafford Minor, Jeff Gamble, Monty Berquist, Milt Maitland, Tommy Plantz, and Hagood Evans to the inactive roster. |
| 04-29-2035 | The Miami Xenomorphs have acquired John Johnson from the waiver wire. |
| 08-28-2034 | The San Francisco Cylons have waived John Johnson. |
| 08-20-2034 | The San Francisco Cylons have placed John Johnson on the trade block. |
| 05-02-2032 | The San Francisco Cylons have moved Doc Griffin and John Johnson to the inactive roster. |
| 09-01-2031 | The San Francisco Cylons have moved John Johnson to the active roster. The San Francisco Cylons have moved Dwayne Coutre to the inactive roster. |
| 09-01-2031 | The San Francisco Cylons have acquired John Johnson from the waiver wire. |
| 08-24-2031 | The Philadelphia Federalists have waived John Johnson. |
| 08-24-2031 | The Philadelphia Federalists have moved Jack Orvis, Arch Enima, Rocky Balboni, Paul Lorick, Cedrick Webb, Whopper Johnson, Buckwheat Shortstack, and Mush Mushnik to the active roster. The Philadelphia Federalists have moved Bob Weber, Stan Nelson, Jim Carter, Ron Lejeune, Sam Partlow, John Johnson, Mike Opperman, John Gillies, and Dale Zupek to the inactive roster. |
| 08-04-2031 | The Philadelphia Federalists have moved Mike Opperman, Stan Nelson, John Johnson, Jim Carter, Bob Weber, John Gillies, and Jack Davis to the active roster. The Philadelphia Federalists have moved Freeman Lomack, Cedrick Webb, Chick Kaboom, Arch Enima, Rocky Balboni, Mush Mushnik, and Paul Lorick to the inactive roster. |
| 08-19-2030 | The Philadelphia Federalists have moved Chick Kaboom, Rocky Balboni, Mush Mushnik, and Lax Luther to the active roster. The Philadelphia Federalists have moved John Johnson, Rod Miller, Ed Kelly, and Deshea Johnson to the inactive roster. |
| 08-05-2030 | The Philadelphia Federalists have moved John Johnson, Benny Woodcock, Deshea Johnson, Jack Fanning, and Jules Bruder to the active roster. The Philadelphia Federalists have moved Chick Kaboom, Brad Arnold, and Mush Mushnik to the inactive roster. |
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