The grand champion market lamb shown by Barnyard Boosters 4-H member Davis Will, son of Keith and Kim Will, sold Thursday at the Mercer County Fair for $4,000 to a group including Tecno Poultry Equipment, Kerns Auto Group, Cooper Farms, Florence Livestock, K&L Tractor Sales, Big K Mills Inc., Muhlenkamp's Umbarger Show Feeds, Shellhouse Livestock, Bambauer Club Lambs, Bruns Show Stock, Mike's Barn and Yard, Sunrise Cooperative Inc., Winner and Sons, Overman Trucking, Susan Manchester, Wendel Financial Inc., Stammen Insurance, Daniels Club Lambs, Second National Bank, Maria Stein Grain and Will Show Stock.