In February 1992, it was uncovered that both Williams and the Sydney Swans had breached the league's salary regulations. Williams had received additional, undeclared payments via one of Sydney's sponsors during the 1990 season, with both the club and the player aware of the rort. Both plead guilty to the AFL. The club was fined $50,000, and Williams was fined $25,000 and de-registered by the league for eleven weeks. Williams was in his first pre-season with Carlton at the time, and his debut for the club was delayed until Round 7 as a result of the deregistration.