(Shawn Thew / EPA)

Ross Detwiler (2-4, 2.76 ERA) returns to the mound after missing a month, eight starts, with an oblique strain. Thursday’s winner takes the series, and the Nationals will then head to Cleveland for the next stop on their nine-game road trip. Jeff Francis, who enters the game with a 2-4 record and 6.30 ERA, takes the mound for the Rockies. The lineups are here. As always, discuss the game here.