ATLANTA — Nick Markakis hit a tie-breaking, two-run single off third baseman Nick Prado’s glove with two outs and the bases loaded in the eighth inning and the Atlanta Braves beat the Miami Marlins 4-2 on Friday night for a rare home win. The Braves snapped a four-game losing streak and improved to only 3-20 in home games. They began the day tied with Minnesota for the majors’ worst record.