WASHINGTON — Max Meyer allowed two hits in seven innings, and Joe Mack hit a tiebreaking two-run single in the eighth to lift the Miami Marlins to a 4-1 win over Washington on Wednesday and a three-game sweep of the Nationals.Meyer (6-0) is unbeaten in 13 starts this year, tying the franchise record to start a season set by Livan Hernandez in 1997. He allowed a run and two walks with seven strikeouts.With the bases loaded and two outs in the eighth, Mack lined a single to right-center field off Clayton Beeter (1-1) to put Miami up 3-1. Calvin Faucher worked the bottom of the eighth for the Marlins, and Pete Fairbanks finished for his seventh save in nine chances.It’s been a streaky stretch for the Marlins, who lost three in a row, won four and lost five before their current run of three straight wins.Esteury Ruiz homered in the second to give the Marlins a 1-0 lead, but the Nationals tied it in the third. With the bases loaded and one out, shortstop Otto Lopez — playing in a bit — wasn’t able to handle a grounder up the middle by Dylan Crews. Everyone was safe and Lopez was charged with an error.Curtis Mead followed with another grounder to Lopez, who this time started a do …
