Robert Gsellman (1-1, 3.72 ERA) and Tanner Roark (14-7, 2.87 ERA) take the hill in the second of a three-game series between the New York Mets (69-66) and the Washington Nationals (79-55) at Citi Field. The Nationals won the last game 4-1, and Washington leads the series 1-0. Action begins at 7:10 p.m. ET on Saturday, Sep. 3 and can be seen on MAS2 and SNY.

Gsellman pitched 6.0 innings in his most recent start, surrendering four runs, striking out five and walking one in a 5-1 defeat to the Phillies. Jay Bruce (.251, 67 Rs, 28 HRs, 88 RBIs, 4 SBs) went 1 for 4 yesterday. Roark went 7.0 innings, surrendering zero runs, striking out five and walking one in a 4-0 win over the Phillies in his last outing. Bryce Harper (.252, 75 Rs, 23 HRs, 76 RBIs, 19 SBs) has been successful at the plate, going 2 for 3 yesterday with two runs, one RBI, and one stolen base.

Notes

The Nationals hold a 39-16 record in matchups against NL East Division rivals, while the Mets currently sit at 28-27 in these games.

Having scored one run in their last game, the Mets are going to have to step it up if they want to win this matchup. The Nationals have a 35-1 record in games where opponents scored one run or less.

It looks like the Nationals have a slight leg up on the Mets, as the Nationals have won their last four games while the Mets have lost their last two.

When they outhit their opponents, the Nationals are 60-14. The Mets have a 48-11 record when outhitting opponents.

Ranking 27th, New York is near the bottom of the league in runs, scoring 528 this season. Washington ranks in the top 10 at eighth with 644.

Ranking 21st, New York is near the bottom of the league for its on-base plus slugging percentage (.725). Washington ranks in the top 10 at ninth with an OPS of .760.

The Nationals are 45-44 in games where they allow one or more home runs. The Mets are 32-47 when they allow at least one homer.