The Canton Bulldogs were a professional 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...

 team, based in Canton, Ohio

Canton, Ohio

Canton is the county seat of Stark County in northeastern Ohio, approximately south of Akron and south of Cleveland.The City of Caton is the largest incorporated area within the Canton-Massillon Metropolitan Statistical Area...

. They played in the Ohio League

Ohio League

The Ohio League was an informal and loose association of American football clubs active between 1903 and 1919 that competed for the Ohio Independent Championship . As the name implied, its teams were based in Ohio...

 from 1903 to 1906 and 1911 to 1919, and its successor, 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...

, from 1920 to 1923 and again from 1925 to 1926. The Bulldogs would go on to win the 1917, 1918 and 1919 Ohio League championships. They were the NFL champions in 1922

1922 NFL season

The 1922 NFL season was the 3rd regular season of what was now called National Football League . The NFL fielded 18 teams during the season, including new league teams such as the Milwaukee Badgers, the Oorang Indians, the Racine Legion, and the Toledo Maroons...

 and 1923

1923 NFL season

The 1923 NFL season was the 4th regular season of the National Football League. For the first time, all of the clubs that were considered to be part of the NFL fielded teams. The new teams that entered the league included the Duluth Kelleys, the St. Louis All Stars , and a new Cleveland Indians team...

. In 1921–1923, the Bulldogs played 25 straight games without a defeat (including 3 ties), which as of 2010 remains an NFL record.