| Date | Transaction |
| 02-28-2013 | Les Stringer has retired from football. |
| 04-29-2012 | The Tulsa Osage have waived Les Stringer. |
| 09-04-2011 | The Tulsa Osage have moved Leonard Hand, Albert Mathews, Rick Bond, Les Stringer, Brett Del Bello, Gary Carroll, and John Sabados to the active roster. The Tulsa Osage have moved Hal Nickerson, Ray Klotovich, William Jackson, John Williams, Danzell Milne, Greg Mansfield, and Bob Lachey to the inactive roster. |
| 05-01-2011 | The Tulsa Osage have moved John Spilis, Carl Enderle, William Jackson, Boyce Guess, John Williams, Danzell Milne, Greg Mansfield, and Bob Lachey to the active roster. The Tulsa Osage have moved Leonard Hand, Brian Krupa, Albert Mathews, Rick Bond, Roy Zaeske, Les Stringer, Brett Del Bello, and John Sabados to the inactive roster. |
| 11-28-2010 | Les Stringer of the Tulsa Osage is injured with a hip contusion and is expected to be out for approximately 3 days. |
| 10-31-2010 | The Tulsa Osage have moved Les Stringer to the active roster. The Tulsa Osage have moved William Jackson to the inactive roster. |
| 09-27-2010 | The Tulsa Osage have moved William Jackson to the active roster. The Tulsa Osage have moved Les Stringer to the inactive roster. |
| 09-26-2010 | Les Stringer of the Tulsa Osage is injured with an ankle ligament sprain and is expected to be out for approximately 30 days. |
| 09-06-2010 | The Tulsa Osage have moved Les Stringer to the active roster. The Tulsa Osage have moved William Jackson to the inactive roster. |
| 05-02-2010 | The Tulsa Osage have moved John Spilis, Carl Enderle, William Jackson, and Chris Crennel to the active roster. The Tulsa Osage have moved Rick Bond, Les Stringer, Brett Del Bello, and Jarrod Wesbecher to the inactive roster. |
| 10-06-2008 | The Tulsa Osage have moved Les Stringer to the active roster. The Tulsa Osage have moved Trevor Drake to the inactive roster. |
| 10-06-2008 | The Tulsa Osage have moved Trevor Drake to the active roster. The Tulsa Osage have moved Les Stringer to the inactive roster. |
| 10-05-2008 | Les Stringer of the Tulsa Osage is injured with a shoulder muscle strain and is expected to be out for approximately 11 days. |
| 09-01-2008 | The Tulsa Osage have moved Wayne Tuckett, Les Stringer, Jarrod Wesbecher, Tony Lemek, and Albert Mathews to the active roster. The Tulsa Osage have moved Pete Smith and Trevor Drake to the inactive roster. |
| 08-04-2008 | The Tulsa Osage have moved Jack Cason, Tip Holtzman, Trevor Drake, John Griffith, Carl Enderle, and Pete Smith to the active roster. The Tulsa Osage have moved Albert Mathews, Rick Bond, Les Stringer, Clyde Burruss, George Davis, and Jarrod Wesbecher to the inactive roster. |
| 12-11-2006 | The Tulsa Osage have moved Les Stringer to the active roster. The Tulsa Osage have moved Trevor Drake to the inactive roster. |
| 12-04-2006 | The Tulsa Osage have moved Brett Del Bello and Trevor Drake to the active roster. The Tulsa Osage have moved Les Stringer and Danny Bauer to the inactive roster. |
| 11-19-2006 | Les Stringer of the Tulsa Osage is injured with an ankle ligament sprain and is expected to be out for approximately 22 days. |
| 09-04-2006 | The Tulsa Osage have moved Les Stringer to the active roster. |
| 04-30-2006 | The Tulsa Osage have moved Bob Lachey, Frank McCullough, Greg Mansfield, Hal Holmes, Ed Wahle, Ambient Lighting, and Carmen House to the active roster. The Tulsa Osage have moved George Panciera, Bob Klein, Dana Carroll, Les Stringer, Ben Hennings, Vic Walczak, and Byron Crawford to the inactive roster. |
| 01-02-2006 | The Tulsa Osage have moved Les Stringer to the active roster. The Tulsa Osage have moved Trevor Drake to the inactive roster. |
| 12-12-2005 | The Tulsa Osage have moved Trevor Drake, Rick Bond, and Billy White to the active roster. The Tulsa Osage have moved Jack Seborg, Les Stringer, and Joe Ehlers to the inactive roster. |
| 12-11-2005 | Les Stringer of the Tulsa Osage is injured with a finger fracture and is expected to be out for approximately 15 days. |
| 08-21-2005 | Les Stringer of the Tulsa Osage is injured with a hip contusion and is expected to be out for approximately 12 days. |
| 09-06-2004 | The Tulsa Osage have moved George Panciera, Ben Hennings, Les Stringer, and John Rogers to the active roster. The Tulsa Osage have moved Josh DeClerk and Frank McCullough to the inactive roster. |
| 08-09-2004 | The Tulsa Osage have moved Steve Blackman, Irv McLain, Carl White, Julie Reed, and Danny Bauer to the active roster. The Tulsa Osage have moved Brad Flaherty, Ron Holmer, Les Stringer, Bob Kelly, and John Rogers to the inactive roster. |
| 08-09-1999 | The Tulsa Osage have moved Brett Del Bello, George Davis, Charlie Hickey, Clyde Holloway, Roy Zaeske, Les Stringer, and Mario Miller to the active roster. The Tulsa Osage have moved Henry Tanner, Mike Taylor, Mike Olsen, Tra'Davious Young, Hines Murphy, Larry Wolfley, Steve Thomas, and Tony Linden to the inactive roster. |
Defensive End