| Date | Transaction |
| 02-28-2044 | Marcus Williams has retired from football. |
| 08-18-2042 | The Hartford Knights have waived Marcus Williams. |
| 10-22-2040 | The Hartford Knights have moved Marcus Williams to the active roster. The Hartford Knights have moved Boyd Alston to the inactive roster. |
| 10-15-2040 | The Hartford Knights have moved Boyd Alston to the active roster. The Hartford Knights have moved Marcus Williams to the inactive roster. |
| 01-02-2040 | The Hartford Knights have moved Marcus Williams to the active roster. The Hartford Knights have moved Clarence Shaw to the inactive roster. |
| 01-02-2040 | The Hartford Knights have moved Francis Clark and Marvelous Garvey to the active roster. The Hartford Knights have moved Marcus Williams and Joe Rostosky to the inactive roster. |
| 12-12-2039 | The Hartford Knights have moved Marcus Williams to the active roster. The Hartford Knights have moved Marvelous Garvey to the inactive roster. |
| 12-04-2039 | The Hartford Knights have moved Ike Rose to the active roster. The Hartford Knights have moved Marcus Williams to the inactive roster. |
| 11-27-2039 | Marcus Williams of the Hartford Knights is injured with a hip contusion and is expected to be out for approximately 6 days. |
| 09-19-2039 | The Hartford Knights have moved Marcus Williams to the active roster. |
| 09-12-2039 | The Hartford Knights have moved Marcus Williams to the inactive roster. |
| 09-05-2039 | The Hartford Knights have moved Marcus Williams to the active roster. The Hartford Knights have moved Ike Rose to the inactive roster. |
| 08-29-2039 | The Hartford Knights have acquired Marcus Williams from the waiver wire. |
| 08-22-2039 | The British Columbia Brawlers have waived Marcus Williams. |
| 09-05-2038 | The British Columbia Brawlers have moved Herb Lewis, Kris Young, Jeff Gamble, and Norty Gardin to the active roster. The British Columbia Brawlers have moved Marcus Williams, Greg Grygo, Ed Harrison, and John Clark to the inactive roster. |
| 08-09-2038 | The British Columbia Brawlers have moved A.J. Baham, Greg Grygo, Larry Peavey, Ed Harrison, Marcus Williams, and Henry Beede to the active roster. The British Columbia Brawlers have moved Kris Young, Norty Gardin, and Herb Lewis to the inactive roster. |
| 11-12-2035 | The British Columbia Brawlers have moved Tony Hartzog to the active roster. The British Columbia Brawlers have moved Marcus Williams to the inactive roster. |
| 11-04-2035 | The British Columbia Brawlers have moved Marcus Williams to the active roster. The British Columbia Brawlers have moved Tony Hartzog to the inactive roster. |
| 09-30-2035 | The British Columbia Brawlers have moved Tahaun Bender to the active roster. The British Columbia Brawlers have moved Marcus Williams to the inactive roster. |
| 09-10-2035 | The British Columbia Brawlers have moved Marcus Williams to the active roster. |
| 08-19-2035 | The British Columbia Brawlers have moved Don Gross, Ricky Hix, and Andy Butsko to the active roster. The British Columbia Brawlers have moved Marcus Williams, Jarrod Holden, and John McPherson to the inactive roster. |
| 08-28-2034 | The British Columbia Brawlers have moved Marcus Williams to the active roster. |
| 08-28-2034 | The British Columbia Brawlers have moved Bob Sortun, Andy Butsko, Pete Smith, and Ricky Hix to the active roster. The British Columbia Brawlers have moved Mike Key, Marcus Williams, Al Merrill, and Mike Bebout to the inactive roster. |
| 09-06-2032 | The British Columbia Brawlers have acquired Marcus Williams from the waiver wire. |
| 08-29-2032 | The Buffalo Tigers have moved Lake Stennett, Charlie Horton, Donny Hill, Brant McElroy, Harry Meyers, and Al Holt to the active roster. The Buffalo Tigers have moved Clint Siegert to the inactive roster. |
| 08-29-2032 | The Buffalo Tigers have waived Marcus Williams. |
Defensive Tackle