The shocking exit of Kevin Costner from Yellowstone is now linked to a real-life altercation on set, where tensions between Costner and Wes Bentley escalated into a physical confrontation. The fight—sparking a dramatic shift in production dynamics—was the tipping point that ultimately led to Costner's departure, throwing the show's future into chaos. Let’s dive into the details of this explosive behind-the-scenes drama and its lasting impact on the Dutton family saga.