Two horse champions — Jake Barnes and Al Dunning — have put their ranches up for sale in Scottsdale to the tune of $6.2 million. Dunning — a 46-time World/Reserve World Champion and 2017 Western Horseman of the Year — designed the 30-acre ranch at 27411 N. 16th St. that he's listing for $5 million. Seven-time World Champion Roper Jake Barnes and his wife also are selling their horse property at 28812 N.