MILWAUKEE, WI (WHBL) - Wily Peralta won his fifth straight start as the Milwaukee Brewers topped Colorado 7-4 Thursday night at Miller Park. Peralta struck out seven in six innings, while giving up four runs on eight hits with a pair of walks. He improved to 9-5. Francisco Rodriguez recorded his 26th save, tying John Wetteland for 12th on the all-time career saves' list with 330. Rickie Weeks fell a triple short of the cycle, going 3 for 5 with an R-B-I and two runs scored. His homer came during the Brewers' opening at-bat. It was Weeks' 26th career lead-off blast. Ryan Wheeler belted his first career grand slam in the fourth, providing the Rockies' only offense. The Brewers regained the lead in the fifth on a sacrifice fly from Ryan Braun. Aramis Ramirez and Scooter Gennett each hit two-run homers, as the Brewers have now won six of eight overall and four straight over the Rockies. Colorado has dropped nine of its last ten, including three straight to the Crew last weekend in Denver. Christian Friedrich took the loss, giving up five runs on nine hits in four frames. He did strike out eight, while falling to 0-2. The Brewers extended their lead to five-and-a-half games in the National League Central after second-place Saint Louis lost. Milwaukee and Colorado play again tonight at Miller Park. Right-hander Kyle Lohse goes for his tenth win of the year against Rockies' left-hander Tyler Matzek. Pregame coverage on WHBL begins at 6:35.