 It'll be a McKenzie Gore mystery jersey bobblehead presented by Pedigree Saturday, July 20th when the Nats play the Reds at 645. 20,000 fans will receive one of three different uniform versions. Visit Nats.com slash promos to buy your tickets. The new pitcher for the Nationals is the right-hander Derek Law. He rides the bullpen card in as he did on the 4th of July to pick up his first save of the year.