Ross Ohlendorf. (Doug Pensinger/Getty Images)

After dropping the first two games of the series, the Nationals are looking to avoid being swept by the Mets. Entering Sunday’s game, the Nationals trail the Reds by 7 1/2 games for the second wild-card spot. Right-hander Ross Ohlendorf (3-0, 2.49 ERA) takes the mound and is opposed by left-hander Jonathon Niese (6-6, 3.69 ERA). The lineups are here. As always, talk about the game here. First pitch is at 8:05 p.m. on ESPN.