The Dallas Cowboys are undergoing significant changes in their defensive strategy with the return of Mike Zimmer as coordinator, aiming to elevate their performance from last season's 21st ranking. Star linebacker Micah Parsons is set to assume a more versatile role, moving away from being primarily a pass rusher to also covering receivers and tight ends, which he finds exciting. Parsons has been working closely with Zimmer and run game coordinator Paul Guenther to enhance his football IQ, indicating a strong mentorship dynamic. Zimmer, who has extensive experience in various coaching roles, is focused on maximizing Parsons' unique talents and adaptability. Additionally, Parsons has been adjusting his physical conditioning to better fit his new responsibilities, suggesting a commitment to his development. The combination of Zimmer's coaching style and Parsons' potential could lead to a promising season for the Cowboys' defense.