Matt Downs singled in two runs in the fourth inning to give the Astros the lead for good as they hung on for a 4-3 victory over the Cubs on Wednesday afternoon at Minute Maid Park. Brian Bogusevic doubled in two in the third inning to tie the game at two for Houston, which took the final two games of the three-game NL Central set. Bud Norris pitched five innings of three-run ball for the win and Mark Melancon got the final three outs for his 12th save. Casey Coleman took the loss. Aramis Ramirez hit a two-run homer in the third and Geovany Soto smacked a solo shot in the fourth for Chicago. The Northsiders are off today. They return to the Friendly Confines tomorrow afternoon to open up a three-game series against the St. Louis Cardinals. Randy Wells gets the nod against Jaime [[ HIGH-may ]] Garcia in the opener.