William Layton Roaf (born April 18, 1970), nicknamed "Nasty," is a former American football offensive tackle who played in the National Football League (NFL) for thirteen seasons.
He played college football for Louisiana Tech University, where he earned consensus All-American honors.
He was a first-round pick in the 1993 NFL Draft, and played professionally for the New Orleans Saints and Kansas City Chiefs of the NFL.
An eleven-time Pro Bowl selection and nine-time All-Pro, he was enshrined in the Pro Football Hall of Fame in 2012 and the College Football Hall of Fame in 2014.