| Date | Transaction |
| 02-28-1979 | Ray Williams has retired from football. |
| 08-16-1976 | The Cleveland Ironmen have waived Ray Williams. |
| 08-16-1976 | The Cleveland Ironmen have acquired Ray Williams from the waiver wire. |
| 08-10-1975 | The Miami Plague have waived Ray Williams. |
| 12-23-1974 | The Miami Plague have moved Ray Williams to the active roster. |
| 12-23-1974 | The Miami Plague have acquired Ray Williams from the waiver wire. |
| 12-16-1974 | The San Diego Krunch have waived Ray Williams. |
| 08-13-1973 | The San Diego Krunch have moved Ray Williams to the active roster. The San Diego Krunch have moved Cory Contoulis to the inactive roster. |
| 08-06-1973 | The San Diego Krunch have moved Cory Contoulis to the active roster. The San Diego Krunch have moved Ray Williams to the inactive roster. |
| 08-21-1972 | The San Diego Krunch have moved Ray Williams to the active roster. |
| 04-30-1972 | The San Diego Krunch have moved Fred Winter and Ray Williams to the inactive roster. |
| 08-17-1970 | The San Diego Krunch have moved Ray Williams to the active roster. |
| 08-10-1970 | The San Diego Krunch have moved Nick Evansen to the active roster. The San Diego Krunch have moved Ray Williams to the inactive roster. |
| 11-03-1969 | The San Diego Krunch have placed Ray Williams on the Injured Reserve list for the remainder of the season. |
| 11-02-1969 | Ray Williams of the San Diego Krunch is injured with a complete PCL tear and is expected to be out for the rest of the season. |
| 10-30-1967 | The San Diego Rattlers have acquired Ray Williams from the waiver wire. |
| 10-01-1967 | The San Diego Rattlers have automatically waived Ray Williams to comply with the 53-man roster limit. |
| 09-18-1967 | The San Diego Rattlers have moved Carl Statton to the active roster. The San Diego Rattlers have moved Ray Williams to the inactive roster. |
| 09-11-1967 | The San Diego Rattlers have acquired Ray Williams from the waiver wire. |
| 08-14-1967 | The Washington Sun Warriors have waived Ray Williams. |
| 08-13-1967 | The Washington Sun Warriors have moved Terry Chapman, Joe Kopay, Mike Studwell, Junior Akin, Tony Unitas, John Whisenhunt, Rick Allen, Lee Greenfield, Derrick Fuqua, Ray Williams, Vic Smith, Jimmy Glover, Tony Dawson, Carlton Longley, Jeff Tobin, Nick Barsha, Ken Edwards, Eddie Clay, Frank Johnson, Frank Tripuka, Roger Wainscott, Nate Hargrove, Gary Ulinski, Ike Slagle, and Joe Crow to the active roster. The Washington Sun Warriors have moved Trent Cody, Mike Kovatch, Ronnie Dodson, Tommy Robiskie, Rickie Preston, Lee Mark, Roy Manumaleuga, Kevin Gramatica, John Hager, Joe Williams, Larry Hardy, Billy Joe Bess, Bobby Abraham, Wes Hayes, Steve Argus, John Robinson, Andre Sebek, Kim Mackey, Ralph Quinn, Buzz Shirk, Mitch Warlick, Keyvan Muster, John Shumann, Mike Farmer, and Len Stalcup to the inactive roster. |
| 01-09-1967 | The Washington Sun Warriors have acquired Ray Williams from the waiver wire. |
| 09-05-1966 | The Cleveland Ironmen have waived Ray Williams. |
| 09-05-1966 | The Cleveland Ironmen have placed Ray Williams on the trade block. |
| 09-05-1966 | The Cleveland Ironmen have acquired Ray Williams from the waiver wire. |
| 09-05-1966 | The Cleveland Ironmen have waived Ray Williams. |
| 09-05-1966 | The Cleveland Ironmen have moved Rudy Tingelhoff, Duke Daniels, Shaun Perretta, Chet Cornelison, Joe Hendrian, and Kurt Gradishar to the active roster. The Cleveland Ironmen have moved Don Winfrey, Dick Roberts, Sam Swatland, Larry James, Mike Jones, and Ray Williams to the inactive roster. |
| 08-29-1966 | The Cleveland Ironmen have moved Noel Mayer and Ray Williams to the active roster. The Cleveland Ironmen have moved Bill Wolski and Ralph Schmidt to the inactive roster. |
| 08-22-1966 | The Cleveland Ironmen have placed Ray Williams on the trade block. |
| 08-22-1966 | The Cleveland Ironmen have removed Ray Williams from the trade block. |
| 08-22-1966 | The Cleveland Ironmen have placed Ray Williams on the trade block. |
| 08-15-1966 | The Cleveland Ironmen have acquired Ray Williams from the waiver wire. |
Defensive End