Sidney Ercil Smith 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...

 offensive lineman who played for 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...

 and the Houston Oilers

Tennessee Titans

The Tennessee Titans are a professional American football team based in Nashville, Tennessee, United States. They are members of the South Division of the American Football Conference in the National Football League . Previously known as the Houston Oilers, the team began play in 1960 as a charter...

 of 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...

. Smith was drafted by the Chiefs in the first round of the 1970 NFL Draft

1970 NFL Draft

The 1970 National Football League Draft was held on January 27–28, 1970.-Player selections:-Round one:-Round two:-Round three:-Round four:-Round five:-Round six:-Round seven:-Round eight:-Round nine:-Round ten:...

, the team's first pick since their alignment

AFL-NFL Merger

The AFL–NFL merger of 1970 was the merger of the two major professional American football leagues in the United States at the time: the National Football League and the American Football League...

 to the NFL. He is an alumnus of the University of Southern California

University of Southern California

The University of Southern California is a private, not-for-profit, nonsectarian, research university located in Los Angeles, California, United States. USC was founded in 1880, making it California's oldest private research university...

.

He is currently assistant head football coach and defensive coordinator at St. Thomas High School in Houston, Texas.