Yahoo Sports reports: 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. 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.