William David Hardison is a former American football

American football

American football is a sport played between two teams of eleven with the objective of scoring points by advancing the ball into the opposing team's end zone. Known in the United States simply as football, it may also be referred to informally as gridiron football. The ball can be advanced by...

 defensive lineman in the National Football League

National Football League

The National Football League is the highest level of professional American football in the United States, and is considered the top professional American football league in the world. It was formed by eleven teams in 1920 as the American Professional Football Association, with the league changing...

 for the Buffalo Bills

Buffalo Bills

The Buffalo Bills are a professional football team based in Buffalo, New York. They are currently members of the East Division of the American Football Conference in the National Football League...

 (1978–1980), the New York Giants

New York Giants

The New York Giants are a professional American football team based in East Rutherford, New Jersey, representing the New York City metropolitan area. The Giants are currently members of the Eastern Division of the National Football Conference in the National Football League...

 (1982–1985), the San Diego Chargers

San Diego Chargers

The San Diego Chargers are a professional American football team based in San Diego, California. they were members of the Western Division of the American Football Conference in the National Football League...

 (1986–1987) and the Kansas City Chiefs

Kansas City Chiefs

The Kansas City Chiefs are a professional American football team based in Kansas City, Missouri. They are a member of the Western Division of the American Football Conference in the National Football League . Originally named the Dallas Texans, the club was founded by Lamar Hunt in 1960 as a...

 (1988). He played college football

College football

College football refers to American football played by teams of student athletes fielded by American universities, colleges, and military academies, or Canadian football played by teams of student athletes fielded by Canadian universities...

 at the University of North Carolina

University of North Carolina at Chapel Hill

The University of North Carolina at Chapel Hill is a public research university located in Chapel Hill, North Carolina, United States...

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Hardison helped the Bills win the 1980 AFC East Division and helped the Bills defense lead the NFL in fewest passing yards allowed in 1978 and the AFC in 1979 and 1980 and NFL in fewest total yards allowed in 1980 and the Chiefs lead the NFL in fewest passing yards allowed in 1988.

In ten seasons, Hardison had nine sacks

Quarterback sack

In American football and Canadian football, a sack occurs when the quarterback is tackled behind the line of scrimmage before he can throw a forward pass, or when the quarterback is tackled behind the line of scrimmage in the "pocket" and the intent of what he was going to do is unclear...

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