In his final season, he collected over 100 tackles with two sacks and intercepted seven passes, returning two for touchdowns as a safety and outside linebacker.

In 2003 season, Williams moved into the starting job, and scored his first career touchdown, taking a 55-yard interception to the endzone against Rutgers.

In the Hokies' 2004 ACC championship season, Williams moved from safety to cornerback and played a critical role in two close games.

In a 17–10 win against Wake Forest, Williams intercepted a Matt Mauk pass in Hokie territory and returned it to midfield to set up a Tech scoring drive.

[1] Against North Carolina, Williams intercepted a pass from Darian Durant just before halftime that set up a Hokies field goal.

[2] During his senior year at Tech, Williams was a finalist for the Jim Thorpe Award[3] and a unanimous first-team All-American.