Game: Pirates vs. Chicago Cubs, 7:05 p.m., PNC Park.
TV, Radio: Root Sports, KDKA-FM (93.7).
Probable starters: LHP Jeff Locke (9-5, 3.23 ERA) vs. LHP Chris Rusin (2-3, 2.89).
Key matchup: Pirates batters vs. left-handed pitchers. The Pirates are tied for second in the National League with a .266 batting average against left-handers.
Hidden stat: Locke is winless at PNC Park since July 3 when he beat the Philadelphia Phillies.