Joseph Edward Dufek 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...

 quarterback

Quarterback

Quarterback is a position in American and Canadian football. Quarterbacks are members of the offensive team and line up directly behind the offensive line...

 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 was signed by 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...

 as an undrafted free agent in 1983. 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 Yale

Yale Bulldogs football

The Yale Bulldogs football program represents Yale University in college football at the NCAA Division I Football Championship Subdivision . Yale's football program is one of the oldest in the world, having begun competing in the sport in 1872...

.

Dufek also played for 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...

.

He is a younger brother of Don Dufek

Don Dufek

Donald Patrick "Don" Dufek, Jr. is a former American football player who played safety and special teams for eight seasons with the Seattle Seahawks of the National Football League . He had previously played for the Michigan Wolverines football team in Ann Arbor from 1973–1975...

, Jr., who was a captain of the Seattle Seahawks

Seattle Seahawks

The Seattle Seahawks are a professional American football team based in Seattle, Washington. They are currently members of the Western Division of the National Football Conference in the National Football League . The team joined the NFL in 1976 as an expansion team...

, Bill Dufek who was an All-American at Michigan and a son of Don Dufek, Sr.

Don Dufek, Sr.

Don Dufek, Sr. is a former American football player and athletic director at Grand Valley State University and Kent State University. He is the father of All-American football players Don, and Bill as well as Joe who all played in the National Football League....

, who was the most valuable player in the 1951 Rose Bowl

1951 Rose Bowl

The 1951 Rose Bowl was a college football bowl game played on January 1, 1951. It was the 37th Rose Bowl Game. The Michigan Wolverines, champions of the Big Ten Conference, defeated the California Golden Bears, champions of the Pacific Coast Conference, 14–6. Michigan fullback Don Dufek was...

. He is the father of Mike, an All-Big Ten Conference

Big Ten Conference

The Big Ten Conference is the United States' oldest Division I college athletic conference. Its twelve member institutions are located primarily in the Midwestern United States, stretching from Nebraska in the west to Pennsylvania in the east...

 athlete, who played his senior season for Michigan Wolverines baseball

Michigan Wolverines baseball

The Michigan Wolverines baseball team represents the University of Michigan in NCAA Division I college baseball. Along with most other Michigan athletic teams, the baseball team participates in the Big Ten Conference...

in 2010.