without google, I believe it would be Denver. The AFL expanded from the original teams that included Cincinnati and Miami. So if you include the expansion AFL, there would be 4. Buffalo, Denver, Miami, and Cinci.
New York Titans
There was a paint store next door to Anacone's and I worked for them painting houses in the summers. We'd meet back at the store, and go next door to a couple of wecks, and some Molson on tap. The only place I knew of that played big band music on the jukebox.
Good times.
I was at the 1980 Home opener when the Bills beat the Dolphins for the first time since 1969, a streak of twenty games, and an entire decade. The goalposts came down that day, the Bills were only 1-0, but it was glorious.