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It's been a fascinating time for the AFL with the expansion looming, expansion teams rising in both New York, St. Louis and Boston. As for the name the team contests.
Dallas/Texas: I could potentially see themselves angling themselves as "Texas' team" especially if the Houston PAFC team flounders about in mediocrity, with AFL's more prominent marketing Dallas could definitely do it. As for names, I could see themselves going in directions like Bulls, Wildcats (referencing Oil), or depending on his company's background he could with something like Manticores or Minotaurs.
San Francisco: Another blank slate for names here yet, could reference the Gold Rush with a weird name like Sourdoughs, could do Grizzlies or Condors with an emphasis on being a more California-centric team. Could do a different angle with the "summer of love" rising, something radical could be on the table. Could be something as simple as Anchors or Sailors with the Bay right there.
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San Francisco Imperials for Emperor Norton could work.