Reining expert Matt Mills, left, and South Point Arena general manager Steve Stallworth at the South Point Arena in Las Vegas on Friday, Aug. 16, 2019. Mills, who will be riding a reining horse in $1 million shootout during "Last Cowboy Standing" TV show on Paramount network to be filmed Aug. 17, 2019. (Elizabeth Page Brumley/Las Vegas Review-Journal @EliPagePhoto)