RHP Lucas Giolito: Giolito is considered the Nationals' top prospect, according to MLBPipeline.com. The right-hander will have a chance to show his stuff, as he participates in his first big league Spring Training. Last season, Giolito showed he was fully recovered from Tommy John surgery, going a combined 7-7 with a 3.15 ERA and 131 strikeouts in 117 innings -- 10.1 K's per nine innings -- for Class A Advanced Potomac and Double-A Harrisburg.
SS Trea Turner: Considered the second-best prospect in the organization, Turner will compete against Danny Espinosa and Stephen Drew for the starting job at short.