John A. Armstrong Jr. (August 10, 1897 – April 30, 1960) was an American football player and coach. Armstrong was born in Hutchinson, Kansas. From 1918 to 1922, he attended the University of Dubuque in Dubuque, Iowa, where he was a four-sport athlete. A quarterback in college, Armstrong helped the school's football team win conference titles in 1919 and 1920. In addition, he received varsity letters in baseball, basketball, and track. Professionally, he played on the Rock Island Independents of the National Football League (NFL), and later the first American Football League, from 1923 to 1926 as an end, halfback, and quarterback. The Green Bay Press-Gazette named Armstrong a third-team All-Pro in 1923. That season, Armstrong was the NFL leader in passing yards and passes intercepted, accor