Jason Mann and Rich Kraetsch continue their Basketball Mysteries of the 1970s series with a detailed look at how many teams were added, subtracted, moved or changed their name during the 1970s. Topics include multiple new Houston franchises, the ever-changing ABA including the Anaheim Amigos, Pittsburgh Pipers, a Minnesota team leaving and joining in the same season, San Diego's record three attempts at a franchise, the whirlwind movement of the Americans/Nets, regional franchises playing in multiple cities as well as players who bounced around the most including Tom Owens, Mack Calvin, Steve "Snapper" Jones and Warren Jabali.