 Complete the following phrase:  In 1984, McMahons WWF purchased controlling interest in GCW from a number of its co-owners including Barnett and brothers Jack and Jerry Brisco, thus gaining control of GCWs flagship Saturday night time slot on TBS. This tacticco-opting the time slots of rival territories in their own backyardlocal TV marketswas part of the WWFs national expansion strategy. To McMahons surprise, however, the move backfired with TBS. When the WWF aired its first show on TBS on July 14, replacing World Championship Wrestling, viewer backlash was severe, as the shows Southern fans were incensed to see their beloved stars suddenly replacedwithout advance noticeby an invading force of wrestlers from up North, an event that has since become known in pro wrestling lore as Black Saturday. In response to the ensuing deluge of complaints, TBS granted an upstart promotion called Championship Wrestling from Georgia backed by holdout GCW shareholder and NWA member Fred Ward and former GCW wrestlerbooker Ole Anderson an early Saturday morning time slot so that the local stars could still be seen. Championship Wrestling from Georgias television show which had the same name as the promotion itself, along with that of Bill Wattss Mid-South Wrestling to whom Turner had also granted a time slot, easily surpassed the ratings for the WWF broadcast, which only featured clips and wrestler promos instead of original matches. The steep decline in ratings for the Saturday evening WWF show, and viewers clamoring for GCWs return, began to make the WWFs move a money-losing one. Eventually, McMahon cut his losses and sold the time slot to Crockett for 1 million. Although this gave Crockett vital national exposure, it also allowed McMahon to fice his own marquee wrestling event, 