Clarence Elbert Self is a former professional 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 back

Defensive back

In American football and Canadian football, defensive backs are the players on the defensive team who take positions somewhat back from the line of scrimmage; they are distinguished from the defensive line players and linebackers, who take positions directly behind or close to the line of...

 and halfback

Halfback (American football)

A halfback, sometimes referred to as a tailback, is an offensive position in American football, which lines up in the backfield and generally is responsible for carrying the ball on run plays. Historically, from the 1870s through the 1950s, the halfback position was both an offensive and defensive...

 who played 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...

. He played six seasons for the Chicago Cardinals

Arizona Cardinals

The Arizona Cardinals are a professional American football team based in Glendale, Arizona, a suburb of Phoenix. They are currently members of the Western Division of the National Football Conference in the National Football League...

 (1949), the Detroit Lions

Detroit Lions

The Detroit Lions are a professional American football team based in Detroit, Michigan. They are members of the North Division of the National Football Conference in the National Football League , and play their home games at Ford Field in Downtown Detroit.Originally based in Portsmouth, Ohio and...

 (1950–1951), and the Green Bay Packers

Green Bay Packers

The Green Bay Packers are an American football team based in Green Bay, Wisconsin. They are members of the North Division of the National Football Conference in the National Football League . The Packers are the current NFL champions...

(1952, 1954–1955).

1948 Football card reads:
All-Star Football Gum
78 ---CLARENCE SELF (TRIGGER)
Halfback -Wisconsin
Weight-170 lbs. Age-22
Height-5'10" Year-Senior

Scored six TDs last season in 9 games. Carried ball 75 times for 526 yards and an outstanding 7.01 average. Ran 78 yards vs. Iowa for TD and 65 yrds vs. California for TD. Derived his nickname for his explosive drives through opposition lines. Won 165 lb. Western conference wrestling crown last year. Was unbeaten until Olympic tryouts.