Team Logo. The Port City Roosters were a team in the Southern League. They were the AA affiliate of the Seattle Mariners. In 1997, they moved to Alabama and became the Mobile BayBears. Retrieved from "https://prosportsteams.fandom.com/wiki/Port_City_Roosters?oldid=7737" Categories: Former SL Teams Teams in North Carolina Community content is available under CC-BY-SA unless otherwise noted.