After graduation, he became one of the organizers of the Dayton Triangles professional football team.

For their second game in week eight, the Independents played against the Dayton Triangles.

The team's name was also changed to the Dayton Triangles that season.

In their opening game of the 1920 season, the Tigers played the Dayton Triangles.

The Dayton Triangles were limited to only seven points throughout the entire season.

The Colts have roots back to 1913 as the Dayton Triangles.

Matsu played professional football for the Dayton Triangles in 1928.

The same result happened next week against the Dayton Triangles.

Dayton Triangles - 1924-29 (three home games out of 42)

The following season, he played for the Dayton Triangles as a right guard.