- Kyle was born June 10th, 1983. He was named team Captain in 2011.
- He played high school football at Ruston High School in Louisiana. Hall of Fame Defensive End Fred Dean also graduated from Ruston.
- Williams chose LSU over Auburn, Nebraska, Florida and Tennessee.
- While at LSU Kyle won a National Championship in 2003, and played with JaMarcus Russell, Laron Landry, Marcus Spears and Dwayne Bowe.
- During his senior year Kyle emerged as a locker room leader helping the team transition to new coach Les Miles. That season LSU lost to Iowa in the Citrus Bowl. Scott Chandler was a member of that Hawkeye team.
- In 2005 Williams as named First-team All-SEC, First-team Rivals.com All American and Second-team AP All American.
- In the 2006 Draft the Bills selected DT John McCargo with the 26th pick. 4 rounds later they selected Kyle Williams, he started 11 games that season.
- 23 DT’s were taken in that draft only 2 have been selected to the Pro Bowl. Williams and Haloti Ngata.
- In 2010 Kyle Williams was named the Pro Football Focus defensive player of the year. An award that grades every player on every down that they play.
- Kyle is 9th all-time on the Bills sack list and has played for 4 head coaches and 5 defensive coordinators in his career with the Bills.