https://www.deseretnews.com/article/865693183/The-rise-and-fall-An-inside-look-at-the-decline-of-BYUs-marquee-sports-programs.html

"The Pac-10 told Fehlberg that BYU would need a travel partner. Fehlberg suggested Utah, but the idea was dismissed immediately — BYU already brought the Utah TV market to the league. Fehlberg approached Colorado, which immediately liked the idea of joining the league. But, as Fehlberg tells it, Colorado later reneged. He says CU officials told him that Texas governor Ann Richards threatened to sue if Colorado left the Big 12, which included many Texas schools."