MIAMI -- Lance McCullers pitched six scoreless innings, and Jose Altuve slugged four extra-base hits to lead the Houston Astros to a 3-0 win over the Miami Marlins on Wednesday afternoon at Marlins Park.The Astros own the best record in the majors and have won 15 of their past 19 games.Miami ended its homestand at 1-8. The Marlins have lost 17 of their past 21 games and are in last place in the National League East. They also have one of the two worst records in the majors.McCullers (4-1), wearing "16" on his cleats as a tribute to the late Jose Fernandez, allowed three hits and two walks. He extended his streak of not allowing an earned run to 17 consecutive innings.Rays 7, Indians 4CLEVELAND -- Alex Cobb pitched seven strong innings and Tampa Bay hit three more home runs in a win over Cleveland at Progressive Field.Cobb (4-3) gave up three runs on six hits with seven strikeouts and one walk.Corey Dickerson, Logan Morrison and Jesus Sucre homered for Tampa Bay, which hit 10 in the series.Cleveland starter Josh Tomlin (2-5) lasted just 2 2/3 innings, giving up six runs on seven hits with five strikeouts and no walks.Dodgers 6, Giants 1SAN FRANCISCO -- Clayton Kershaw won his 20th career game against San Francisco, preventing a three-game sweep with seven innings of shutout ball in Los Angeles' 6-1 triumph in the series finale.Yasmani Grandal and Yasiel Puig had two-run hits for the Dodgers, who completed a 3-4 trip.Kershaw once again demonstrated his brilliant form at AT&T Park, winning for the 12th time in 20 career appearances while lowing his ERA there to 1.29.