After an off-day, the Pittsburgh Pirates open a three-game series with the San Diego Padres tonight. Game time is 10:10pm. Pre-game on WISR 680am will be 9:45pm. Joe Musgrove will start for the Pirates. He enters the game 2-3, with a 4.59 ERA. The Pirates begin the night 38-42, nine games behind first-place Milwaukee in the National League Central. San Diego is 36-47 and 12 games behind Arizona in the West.