WASHINGTON — Luis Arraez broke out of an 0-for-15 slide with a 5-for-5 night that included three RBIs, raising his major league-leading batting average from .378 to .390 and helping the Miami Marlins beat the Washington Nationals 6-5 on Friday. Arraez singled in the first off Trevor Williams and hit a two-run homer in the second for a 4-2 lead, ending a 52-game homerless streak dating to April 11.