Stone Johnson was an Olympic sprinting

Sprint (race)

Sprints are short running events in athletics and track and field. Races over short distances are among the oldest running competitions. The first 13 editions of the Ancient Olympic Games featured only one event—the stadion race, which was a race from one end of the stadium to the other...

 athlete and 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...

 kick returner

Kick returner

In American and Canadian football, a kick returner is the player on special teams who is primarily responsible to catch kickoffs and attempts to return them in the opposite direction. If the ball is kicked into his own endzone, he must assess the situation on the field while the ball is in the...

/running back

Running back

A running back is a gridiron football position, who is typically lined up in the offensive backfield. The primary roles of a running back are to receive handoffs from the quarterback for a rushing play, to catch passes from out of the backfield, and to block.There are usually one or two running...

 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...

.

On August 30, 1963, the rookie

Rookie

Rookie is a term for a person who is in his or her first year of play of their sport or has little or no professional experience. The term also has the more general meaning of anyone new to a profession, training or activity Rookie is a term for a person who is in his or her first year of play of...

 Johnson, a sprinter in the 1960 Summer Olympics

1960 Summer Olympics

The 1960 Summer Olympics, officially known as the Games of the XVII Olympiad, was an international multi-sport event held from August 25 to September 11, 1960 in Rome, Italy...

 in Rome

Rome

Rome is the capital of Italy and the country's largest and most populated city and comune, with over 2.7 million residents in . The city is located in the central-western portion of the Italian Peninsula, on the Tiber River within the Lazio region of Italy.Rome's history spans two and a half...

, suffered a fractured vertebra

Cervical vertebrae

In vertebrates, cervical vertebrae are those vertebrae immediately inferior to the skull.Thoracic vertebrae in all mammalian species are defined as those vertebrae that also carry a pair of ribs, and lie caudal to the cervical vertebrae. Further caudally follow the lumbar vertebrae, which also...

 in his neck in a preseason game with the Oakland Raiders

Oakland Raiders

The Oakland Raiders are a professional American football team based in Oakland, California. They currently play in the Western Division of the American Football Conference in the National Football League...

 in Wichita, Kansas

Wichita, Kansas

Wichita is the largest city in the U.S. state of Kansas.As of the 2010 census, the city population was 382,368. Located in south-central Kansas on the Arkansas River, Wichita is the county seat of Sedgwick County and the principal city of the Wichita metropolitan area...

. He died 10 days later, on September 8 at the age of 23. Although he was never on the team's active roster during a season his jersey number 33 was retired.