The former UFC champion is in the middle of his second season with the Professional Fighter’s League, and he’s had to make some adjustments. All things considered, Anthony Pettis barely got to experience a pro MMA career outside the Zuffa umbrella before signing with the Professional Fighters League in 2021. The former WEC & UFC lightweight champion spent just two years fighting on the regional MMA circuit, entirely with the now-defunct Gladiators Cage Fighting promotion, before getting signed to World Extreme Cagefighting back in 2009. For more than a decade following, Pettis would be a staple of the WEC and…