MLB: Chicago Cubs 13, Pittsburgh 6

CHICAGO, April 20 (UPI) -- Aramis Ramirez homered and drove in four runs Sunday and the Chicago Cubs buried the Pittsburgh Pirates 13-6.

Ramirez batted 4-for-5, helping the Cubs complete a sweep of a three-game series.

Ryan Theriot, Derrek Lee and Matt Murton each drove in two runs for Chicago, which has won six of its last seven games.

Ryan Dempster (3-0) got the win, allowing five hits and three runs in five innings.

Ryan Doumit hit two solo home runs for Pittsburgh, which has dropped five straight games.

Zach Duke (0-1) was the loser, giving up five runs in four innings.