The bulls are headed back to town and ready to kick up dust at the Frank Erwin Center as they take on the toughest athletes in western sports Sept. 28 and 29 for the PBR 25th: Unleash the Beast Winstar World Casino and Resort Invitational. As the PBR returns to the Frank Erwin Center during its crucial 2018 stretch run, fans can expect more championship-run drama, exhilarating 8-second rides, and spectacular wrecks throughout the action-packed weekend as the Top 35 bull riders face off against the rankest bucking bulls in the business.