Game 139: Mets at Nats

Mark Zuckerman / NATS INSIDERAfter blowing two straight games to begin the series, the Nationals will now hope to avoid a sweep to the New York Mets on Wednesday with a true wild card as a pitching matchup.

There is a lot of unknown there because Stephen Strasburg (8-6, 4.35) is coming back from back injury. He left has last start on Aug. 30 with tightness in his upper back and will be pitching for the first time in 10 days.

Strasburg has faced the Nats twice this season with a mixed bag of results. He has allowed eight runs (5 ER) in 10 2/3 total innings against New York.

Cy Young-candidate Jacob deGrom (12-7, 2.40) will start for the Mets. He is 1-2 with a 3.47 ERA in four starts against the…