| Date | Transaction |
| 02-28-2014 | George Dempsey has retired from football. |
| 09-03-2012 | The Tulsa Osage have moved Tom Latzke and James Magerkurth to the active roster. The Tulsa Osage have moved Bob Regner and Rich La Mantia to the inactive roster. |
| 09-03-2012 | The Tulsa Osage have waived George Dempsey. |
| 08-06-2012 | The Tulsa Osage have moved Bob Regner, Wash Krahl, Boyce Guess, Howard Beamer, and Rich La Mantia to the active roster. The Tulsa Osage have moved George Dempsey, Tom Latzke, Ed Wahle, and James Magerkurth to the inactive roster. |
| 11-13-2011 | The Tulsa Osage have moved Tip Holtzman and George Dempsey to the active roster. The Tulsa Osage have moved Perry Drulis and Ramos Jones to the inactive roster. |
| 09-05-2011 | The Tulsa Osage have acquired George Dempsey from the waiver wire. |
| 08-29-2011 | The Edmonton Frostbite have waived George Dempsey. |
| 05-01-2011 | The Edmonton Frostbite have moved Knucklehead Jones, Gary Glick, Len Monty, Joey Bagadonuts, Tim McGraw, Gary Scott, and Rude Ryan to the active roster. The Edmonton Frostbite have moved Roland Smith, George Dempsey, Larry Williams, Johnny Lockhart, Pete Washington, Ralph Lollar, and James Hugasian to the inactive roster. |
| 12-21-2009 | The Edmonton Frostbite have moved R.J. Richard and George Dempsey to the active roster. The Edmonton Frostbite have moved Jim Bosch and Knucklehead Jones to the inactive roster. |
| 12-07-2009 | The Edmonton Frostbite have moved James Hugasian and Knucklehead Jones to the active roster. The Edmonton Frostbite have moved Ron Szymanski and George Dempsey to the inactive roster. |
| 12-06-2009 | George Dempsey of the Edmonton Frostbite is injured with an ACL sprain and is expected to be out for approximately 21 days. |
| 11-09-2009 | The Edmonton Frostbite have moved George Dempsey, Johnny Lockhart, Art West, and R.J. Richard to the active roster. The Edmonton Frostbite have moved Owen DeRent, Knucklehead Jones, Jason Johnson, and Cary Thompson to the inactive roster. |
| 10-11-2009 | The Edmonton Frostbite have moved Owen DeRent, Knucklehead Jones, Bumfrick Manbun, Jason Johnson, Mike Moreno, and Sebron Tucker to the active roster. The Edmonton Frostbite have moved Art West, R.J. Richard, Chris P. Bacon, George Dempsey, Pete Washington, Ken Dubinetz, and Johnny Lockhart to the inactive roster. |
| 08-04-2008 | The Edmonton Frostbite have moved George Dempsey to the active roster. The Edmonton Frostbite have moved Tom James to the inactive roster. |
| 08-04-2008 | The Edmonton Frostbite have moved Allen Klein, Robb Greenfield, Chris Rebseaman, and Jesse Spani to the active roster. The Edmonton Frostbite have moved Jake Curcillo, Council McKyer, Jason Donnalley, and George Dempsey to the inactive roster. |
| 04-28-2002 | The Edmonton Frostbite have moved Mike Kuechenberg, Art Jones, Jim Cooper, George Dempsey, and Greg Thompson to the active roster. The Edmonton Frostbite have moved Fred James, Preston Pruce, Ross Oldham, Larry Myers, Bob Jacke, Phil Coulter, and Matt Harris to the inactive roster. |
| 12-31-2001 | The Edmonton Frostbite have moved Phil Coulter, Matt Harris, and Preston Pruce to the active roster. The Edmonton Frostbite have moved George Dempsey, Greg Thompson, and Jim Cooper to the inactive roster. |
| 10-07-2001 | George Dempsey of the Edmonton Frostbite is injured with a leg contusion and is expected to be out for approximately 2 days. |
| 09-24-2001 | The Edmonton Frostbite have moved George Dempsey, Jim Cooper, and Paul Lofton to the active roster. The Edmonton Frostbite have moved Roman Hobbs, Phil Coulter, and Preston Pruce to the inactive roster. |
| 08-20-2001 | The Edmonton Frostbite have moved Roman Hobbs, Corey Hicks, Phil Coulter, Bob Jacke, Matt Harris, and Ken Thomas to the active roster. The Edmonton Frostbite have moved George Dempsey, Keith Carter, Greg Ragunas, Mike Kuechenberg, Les Butler, Jim Bachmaier, and Paul Lofton to the inactive roster. |
| 04-29-2001 | The Edmonton Frostbite have moved George Dempsey, Mike Meylan, Greg Ragunas, and Mike Kuechenberg to the active roster. The Edmonton Frostbite have moved Bernie Fuller, Corey Hicks, Phil Coulter, and Ken Thomas to the inactive roster. |
| 01-01-2001 | The Edmonton Frostbite have moved Doug Birlem and Jim McInally to the active roster. The Edmonton Frostbite have moved George Dempsey and Charlie Griggs to the inactive roster. |
| 12-04-2000 | The Edmonton Frostbite have moved George Dempsey to the active roster. The Edmonton Frostbite have moved Doug Birlem to the inactive roster. |
| 09-04-2000 | The Edmonton Frostbite have moved Roman Hobbs, Corey Hicks, Kevin Beinor, Phil Coulter, Matt Harris, Roy Mitchell, Ralph Quillan, and Jim McInally to the active roster. The Edmonton Frostbite have moved Greg Mayer, George Dempsey, Greg Ragunas, and Tom Duncan to the inactive roster. |
| 08-07-2000 | The Edmonton Frostbite have moved George Dempsey, Lee Williams, John Lethridge, and Tom Duncan to the active roster. |
Defensive Tackle