Complex sentence: Jerry Jarrett ended up as the promoter in charge of Memphis, Louisville, Lexington and Evansville while still part of NWA Mid-America, while Nick Gulas, who had been the primary booker, continued to promote the other half of the territory.
Split into simpler sentences: Jerry Jarrett ended up as the promoter in charge of Memphis, Louisville, Lexington and Evansville while still part of NWA Mid-America. While Nick Gulas who had been the primary booker promoted the other half of the territory.