High Quality Content by WIKIPEDIA articles! The 1920 Dayton Triangles season was the franchise`s inaugural season in the American Professional Football Association (AFPA)—later named the National Football League. The Triangles entered the season coming off a 5–2–1 record in 1919 in the Ohio League. After the 1919 season, several representatives from the Ohio League wanted to form a new professional league; thus, the APFA was created. A majority of the team stayed from the 1919 team, including the coaching staff, while two players left the team.