James Theodore Koy was an 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...

 tight end

Tight end

The tight end is a position in American football on the offense. The tight end is often seen as a hybrid position with the characteristics and roles of both an offensive lineman and a wide receiver. Like offensive linemen, they are usually lined up on the offensive line and are large enough to be...

 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...

 and 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...

 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...

. He was drafted out of the University of Texas by the Raiders in 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:...

. He was a part of the Longhorns' 1969 National Championship team, playing in the same offensive backfield (halfback) with James Street (quarterback), Steve Worster (fullback) and Jim Bertelsen (halfback). His brother Ernie Koy, Jr.

Ernie Koy, Jr.

Ernest Melvin Koy is a former American football running back for the New York Giants of the National Football League. He played college football at the University of Texas from 1962–1964 and was drafted by the Giants in the eleventh round of the 1965 NFL Draft...

 also played with the Longhorns and in the NFL. His father Ernie Koy

Ernie Koy

Ernest Anyz Koy , nicknamed "Chief," was an American left fielder in Major League Baseball who played for four National League teams from 1938 - 1942. He was born in Sealy, Texas and was of American Indian ancestry. He attended the University of Texas at Austin and played with the Longhorns...

 played Major League Baseball

Major League Baseball

Major League Baseball is the highest level of professional baseball in the United States and Canada, consisting of teams that play in the National League and the American League...

 from 1938 through 1942 for five teams, and also played football at Texas.