Tanner Roark (EPA/TANNEN MAURY)

With the Nationals riding a season-high five-game winning streak, Tanner Roark (7-5, 2.98 ERA) takes the mound in the morning matinee against the Cubs. Roark faced the Cubs last week and allowed four runs on a career-high 10 hits over six innings. He will be opposed by Jason Hammel (7-5, 2.98 ERA). Hammel is 7-0 with a 3.12 ERA in nine starts against the Nationals in his career. Both players have identical records and ERA’s. The lineups are here. As always, talk about the game below.