Denard Span returns to the Nationals lineup tonight after missing the opener against the Marlins due to groin tightness. The Nationals give Tanner Roark the ball for his first major league start as they look to even the series following Friday's 7-0 setback. Update: Bryce Harper has been scratched from the Nats lineup with Tyler Moore replacing him in left. For the Nats CF Denard Span 3B Ryan Zimmerman RF Jayson Werth 1B Adam LaRoche SS Ian Desmond C Wilson Ramos LF Tyler Moore 2B Anthony Rendon RHP Tanner Roark For the Marlins 3B Chris Coghlan 2B Donovan Solano LF Christian Yelich RF Giancarlo Stanton CF Justin Ruggiano 1B Logan Morrison SS Adeiny Hechavarria C Jeff Mathis RHP Nathan Eovaldi