Jason Bay homered and drove in four runs to lead Pittsburgh over the Chicago Cubs 6-2.
Bay, who's been slumping for more than a month, slugged a two-run homer off losing pitcher Carlos Zambrano.
Left-hander Shane Youman ran his record to 2-0 since being called up from Triple-A Indianapolis. He limited the Cubs to two runs over six innings.
Zambrano dropped to 10-7.
Viewers with disabilities can get assistance accessing this station's FCC Public Inspection File by contacting the station with the information listed below. Questions or concerns relating to the accessibility of the FCC's online public file system should be directed to the FCC at 888-225-5322, 888-835-5322 (TTY), or firstname.lastname@example.org.