The Cleveland Bulldogs were a team that played in Cleveland, Ohio in the National Football League. They were originally called the Indians in 1923, not to be confused with the Cleveland Indians NFL franchise in 1922. However, after team owner Samuel Deutsch purchased the Canton Bulldogs in 1924, he merged the Canton team with his Indians and renamed his franchise the Cleveland Bulldogs. The Canton Bulldogs remained a part of the team until 1925, when they were sold back to Canton. The Cleveland Bulldogs played in the NFL until 1928 when they were relocated to Detroit and became the Detroit Wolverines. The team was later incorporated into the New York Giants in 1929. The Cleveland Bulldogs won the 1924 NFL championship.

The Canton Bulldogs were a professional American football team, based in Canton, Ohio. They played in the Ohio League from 1903 to 1906 and 1911 to 1919, and the American Professional Football Association, from 1920 to 1923, and again from 1925 to 1926. The Bulldogs won the 1916, 1917, and 1919 Ohio League championships. They were the NFL champions in 1922 and 1923. In 1921–1923, the Bulldogs played 25 straight games without a defeat. This remains an NFL record.