In college football in the year 2025, however, those with a lot of cash at their disposal might argue otherwise. Chris Gardner/ Getty ImagesBut the star of the show was the Texas Tech defense, and that's where money comes back into the picture. If you're wondering how Texas Tech assembled one of the best defenses in the sport, you're not alone. Texas Tech put an emphasis on improving both its offensive and defensive lines, while adding to other positions as well. This, more specifically, is made possible by Cody Campbell, a former Texas Tech football player who has since become a billionaire.