National Football League (1920-1929)
Tombstone
Born: September 17, 1920 – American Professional Football Association (NFL from 1922) founding franchise1Football Men Organize, The Youngstown Vindicator, Sep. 18, 1920
Moved: July 12, 1930 (Brooklyn Dodgers)2The Dayton Triangles: What to know about the first NFL game in Dayton Triangles, The Dayton Daily News, Sep. 29, 2023
First Game: October 3, 1920 (W 14-0 vs. Columbus Panhandles)
Last Game: November 24, 1929 (L 19-0 @ Chicago Cardinals)
NFL Championships: None
Stadium
Triangle Park
Opened: August 5, 19163Maxwells Play Metal Products, Triangle Park, The Dayton Daily News, Aug. 4, 1916
Marketing
Team Colors: Blue & White
Ownership
Charles Kettering, Edward Deeds
Background
NFL beginnings

The Triangles had been playing for a number of years already as members of the semi-pro Ohio League, winning that loop’s championship in 1918. The team’s early rosters drew mostly from three local factories, which in turn inspired the nickname Triangles. Those facilities were operated by the Dayton Metal Products Company, the Domestic Engineering Company, and the Dayton Engineering Laboratories Company (DELCO). Charles Kettering and Edward Deeds, who owned the latter, also owned the football team.
In 1916, Kettering and Deeds bought the Idylwild estate of Daniel Eldridge Mead (off of paper) and a larger adjacent tract to save it from development. They then created Triangle Park, complete with a 5,000-seat stadium, which became the football team’s home field.5Triangle Park Historical Marker, Triangle Park, Dayton, OH
First ever NFL game
Dayton Triangles pro Football Apparel
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Some have tried to connect the Triangles to today’s Indianapolis Colts, but there are several broken links in that chain, starting with the aforementioned 1930 team roster. Secondly, the franchise left the NFL entirely in 1946.
Due to a player shortage caused by World War II, the Dodgers, who had become the Tigers in 1944, merged with the Boston Yanks, making Topping partners with that team’s owner, Ted Collins. After the war, Topping wanted to re-establish his team and move it into Yankee Stadium. New York Football Giants owner Tim Mara, however, blocked the move.11Mara-Topping Rivalry Widens Gotham Gate For New Pro Grid Loop, The Pittsburgh Press, Aug. 7, 1945
In 1946, Topping, who had purchased a stake in the Yankees baseball team a year earlier, pulled the football Dodgers out of the NFL and joined the new All-America Football Conference (AAFC).12Topping to Join All-America League, INS via The Desert News, Dec. 5, 1945 The team was renamed the New York Yankees and played in the most famous ballpark in the world, Yankee Stadium.
The AAFC only lasted four seasons. In December, 1949, the NFL took in three of its surviving seven teams, the Cleveland Browns, San Francisco 49ers, and Baltimore Colts. The latter lasted only one year in the NFL. The football Yankees were not included in the merger. Instead, the Yankee players were folded into the roster of the NFL New York Bulldogs, owned by Ted Collins. They were renamed the New York Yanks in 1950.
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Dayton triangles logo T-Shirt
The Dayton Triangles were founding members of the AFPA in 1920, the league that became the NFL two years later. The Triangles were sold in 1930 and became the Brooklyn Dodgers.
This awesome Dayton Triangles logo tee is available now in sizes Small to 5XL at Royal Retros. It also comes in white or gray.
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