Baylor teammate Ron Francis entered the season as the starter at right cornerback, before dislocating his left shoulder during an intrasquad game in pre-season. The injury allowed Williams to win the position outright. He recorded 60 tackles, 2 interceptions (tied for the team lead) and 19 passes defensed (second on the team). In the fifteenth game, a 24-17 win against the Washington Redskins, he had 4 passes defensed and set up the winning touchdown with an interception at the Redskins 24 yard line. In the ninth game against the Phoenix Cardinals, he limited Roy Green to one reception for 7 yards and also had 3 passes defensed. In 1989, he missed 3 games with a sprained left knee he suffered in the third game against the Washington Redskins. In the last 2 games he was benched in favor of Francis. He posted 70 tackles, 10 passes defensed (tied for the team lead) and one quarterback pressure. In the season opener against the New Orleans Saints he tied a career-high with 10 tackles. In eighth game against the Phoenix Cardinals he had 4 passes defensed. The next game against the Washington Redskins he had 3 passes defensed. In 1990, he started the first 6 games at right cornerback, before being passed on the depth chart by Manny Hendrix. He played as a nickel back the rest of the season. Here registered 42 tackles, 6 passes defensed, 3 special teams tackles, one interception. In 1991, he was a backup cornerback, starting 2 games at weakside linebacker against the Houston Oilers and Atlanta Falcons, who were employing run and shoot offenses at the time. He tallied 49 tackles, 9 special teams tackles, one interception, 4 passes defensed, one sack and 2 quarterback pressures. In the ninth game against the Phoenix Cardinals he had a block punt to set up a touchdown. In the tenth game against the Houston Oilers he had 10 tackles and returned a blocked punt for his first career touchdown. In 1992, he was moved from cornerback to free safety during the offseason. In the second game against the New York Giants he returned a blocked punt for a 3-yard touchdown. On September 21, he was placed on the injured reserve list because of a left knee injury. He returned on October 28, but was placed on recall waivers and claimed by the Phoenix Cardinals on October 30, where he