James Gleason Conzelman (March 6, 1898 – July 31, 1970) was an American football player and coach. He played for ten seasons in the National Football League (NFL) with five different teams between 1920 and 1929. He was a player-coach for the 1928 NFL champion Providence Steam Roller and was the head coach of the Chicago Cardinals, leading the team to its last NFL Championship in 1947. Conzelman was inducted into the Pro Football Hall of Fame in 1964. He died on August 5, 1970 of lung cancer.
Early life and playing career
Jimmy Conzelman was born in St. Louis, Missouri, where he attended McKinley High School. He began playing football at McKinley and continued playing at Washington University in St. Louis. He never graduated from Washington, and instead signed with the Decatur Staleys (today the Chicago Bears) of the newly formed American Professional Football Association in 1920. Under head coach and founder George Halas, the Staleys finished the 1920 season with a 10–1–2 win-loss record.
Head coaching record