Williams was rated the 234th best wide receiver in the 2011 NFL draft by NFLDraftScout.com.[2]
San Jose Sabercats
Williams was signed by the San Jose Sabercats on November 17, 2011.[3] He played for the Sabercats during the 2012 and 2013 Arena Football League seasons.[4]
Kansas City Chiefs
Williams signed with the Kansas City Chiefs on December 18, 2013. He was released by the Chiefs on August 30, 2014.[5] He was signed to the Chiefs' practice squad on September 2, 2014.[6] Williams was released by the Chiefs on September 5, 2015 and signed to the team's practice squad on September 6, 2015.[7][8] He was released by the Chiefs on October 1, 2015 and signed to the team's practice squad on October 19, 2015.[9][10] He was released by the Chiefs on October 24 and signed to the practice squad on October 28, 2015.[10] On January 18, 2016, the Chiefs signed Williams to a future/reserve contract.[11] Williams was released by the Chiefs on May 4, 2016.[12]
On October 14, 2016, Williams was selected by the Washington Valor during the dispersal draft.[14] On February 20, 2017, he was placed on league suspension.[15]
^"Fred Williams". nfldraftscout.com. Archived from the original on August 8, 2017. Retrieved August 7, 2017.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
^"Team Transactions". arenafan.com. Archived from the original on July 12, 2016. Retrieved July 12, 2016.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
^"AFL Holds Dispersal Draft". arenafootball.com. October 14, 2016. Archived from the original on October 15, 2016. Retrieved October 15, 2016.{{cite web}}: CS1 maint: bot: original URL status unknown (link)