| Date | Transaction |
| 02-28-1968 | Steve Knafelc has retired from football. |
| 08-21-1967 | The Miami Dolphins have waived Steve Knafelc. |
| 08-07-1967 | The Miami Dolphins have acquired Steve Knafelc from the waiver wire. |
| 09-05-1966 | The Miami Dolphins have waived Steve Knafelc. |
| 08-29-1966 | The Miami Dolphins have acquired Steve Knafelc from the waiver wire. |
| 08-23-1965 | The St. Louis Lutherans have waived Steve Knafelc. |
| 08-22-1965 | The St. Louis Lutherans have placed Steve Knafelc on the trade block. |
| 08-22-1965 | The St. Louis Lutherans have moved Eddie Coleman to the active roster. The St. Louis Lutherans have moved Steve Knafelc to the inactive roster. |
| 08-15-1965 | The St. Louis Lutherans have moved Joe Coyle, Garrett Agee, Matt Parker, and Steve Knafelc to the active roster. The St. Louis Lutherans have moved Francis Holman, Tommy Veris, Eddie Coleman, and Wesley Wedemeyer to the inactive roster. |
| 05-02-1965 | The St. Louis Lutherans have moved Roy Simmons, Frank Bird, Lenny White, Wesley Wedemeyer, Larry Binn, and Phil Roberts to the active roster. The St. Louis Lutherans have moved Paul Cloutier, Alex DeLarge, Steve Knafelc, Hoot Harkey, Anthony Liter, and Bon Jones to the inactive roster. |
| 05-02-1965 | The St. Louis Lutherans have moved Dick Vogel, John Zook, Ralph Land, Steve Knafelc, Nathan Ledyard, Tommy Veris, George Wilson, Bob Farris, Albie Crawford, Larry Peko, Jim Byrd, Elvis Reid, Sylvester Sadowski, Will Clemons, Boris Gayle, Jim Hackett, and Eddie Coleman to the active roster. The St. Louis Lutherans have moved Leo Childress, American Eagle, Larry Wagner, Terry Bingaman, Dale Bouie, Joe Coyle, Kurt McGrail, Matt Parker, Derrick Koart, Kevin Bonness, Howard Harris, Laverne McDonald, Garrett Agee, Ray Reese, Shawn Brown, Herman Flick, and Don Boyd to the inactive roster. |
| 05-02-1965 | The St. Louis Lutherans have acquired Steve Knafelc from the waiver wire. |
| 11-02-1964 | The Hartford Chimeras have moved Russ Johnson to the active roster. The Hartford Chimeras have moved Ralph Thomas to the inactive roster. |
| 11-02-1964 | The Hartford Chimeras have waived Steve Knafelc. |
| 10-18-1964 | The Hartford Chimeras have moved Larry Finnegan and Bernie Crosby to the active roster. The Hartford Chimeras have moved Steve Knafelc and Benjamin Button to the inactive roster. |
| 09-20-1964 | The Hartford Chimeras have acquired Steve Knafelc from the waiver wire. |
| 09-07-1964 | The Carolina Chargers have waived Steve Knafelc. |
| 09-09-1963 | Trade #17973 has been completed between the Hamilton Chimeras and the Carolina Chargers. The Carolina Chargers receive Steve Knafelc (S), Steve Mialik (WR) from the Hamilton Chimeras in exchange for Whizzer Spiller (S), Alfred Bester (WR). |
| 09-09-1963 | The Hamilton Chimeras have moved Archie Brooker, Scott Nighswander, and Derrick Crutcher to the active roster. The Hamilton Chimeras have moved Chris Abruzzese, Steve Knafelc, and Alvin Kaufusi to the inactive roster. |
| 10-07-1962 | Trade #17079 has been completed between the Cleveland Chimeras and the Rochester Force. The Rochester Force receive Dustin Dixon (TE), Draft Pick - 1964 Round 4 (TB) from the Cleveland Chimeras in exchange for Steve Knafelc (S), Ron Whire (S). |
| 08-12-1962 | The Rochester Force have moved John Hardeman and Tony Hawkins to the active roster. The Rochester Force have moved Bob Dunaway and Steve Knafelc to the inactive roster. |
| 10-01-1961 | The Rochester Force have moved Steve Knafelc to the active roster. The Rochester Force have moved Mark Wilcots to the inactive roster. |
| 08-13-1961 | The Rochester Force have placed Steve Knafelc on the trade block. |
| 08-13-1961 | The Rochester Force have moved Butch Soltis, Steve Ford, and Shelton Highsmith to the active roster. The Rochester Force have moved Tom Boulware and Steve Knafelc to the inactive roster. |
Safety