7 stadiums were used during the 1928 NFL season. Isolated games and short term temporary home fields are not necessarily included.
1927-1928
Yankees
(NFL)
1925-1956
Packers
(NFL)
1928-1928
Wolverines
(NFL)
1921-1970
Staleys
(NFL)
1920-1928
Cardinals
(NFL)
1924-1931
Yellow Jackets
(NFL)
1925-1955
Giants
(NFL)
I sincerely appreciate the research work, and the information being shared. It is important and interesting history.