1928 Dayton Triangles season
The 1928 Dayton Triangles season was their ninth in the National Football League. The team played all seven games of its schedule on the road.
The team failed to improve on their previous output of 1–6–1, scoring just 9 points all year and losing all 7 of its contests — 6 by shutout. They finished in last place, tenth in the league.