Kevin Correia pitched seven innings of two-hit ball and Starling Marte hit a two-run triple to lead the Pittsburgh Pirates past the Cubs 3-0 Monday night in a game that was delayed more than 31/2 hours by rain.With the Pirates still in playoff contention, the teams waited out two storms at Wrigley Field that pushed back the start for 3 hours, 37 minutes. The first pitch was thrown at 10:42 p.m. CDT, and Joel Hanrahan delivered the final one at 1:28 a.m. on Tuesday.Pittsburgh tied Milwaukee for third place in the NL Central at 74-72. Both teams are 21/2 games behind division rival St. Louis for the second NL wild-card spot, with the Los Angeles Dodgers also in their path.