Conversation so far:
how did Vince McMahon influence the wrestling boom?
Vince McMahon shaped the WWF into a unique sports entertainment brand that reached out to family audiences while attracting fans who had never before paid attention to pro wrestling.
What year did regional wrestling rivals decide not to invade each other's territories?
The various promoters shared an understanding that they would not invade each other's territories, as this practice had gone on undeterred for decades before 1980
what happened in 1980 regarding the wrestling boom and Vince McMahon?
On February 21, 1980, Vince McMahon founded Titan Sports, and the company's headquarters were established in South Yarmouth, Massachusetts, using the now defunct Cape Cod Coliseum as a home base.

Question: Did he have any rivals?
Self-contained rewrite: Did Vince McMahon have any rivals?