The Cubs blanked the Bucs, 7-0, on two hits on Memorial Day, handing the Pirates their eighth loss in the last 10 games.
Chad Kuhl took the loss despite yielding one run in six frames.
Game two tonight will find Nick Kingham returning, replacing Ivan Nova, who went on the 10-day disabled list with a finger injury.
Pregame is at 6:40 p.m. on WCCS AM 1160 and FM 101.1.
