The Pittsburgh Pirates visit the Chicago Cubs this afternoon to begin a three-game series. First pitch is 2:20pm at Wrigley Field. Pre-game on WISR 680am begins at 1:55pm. The Pirates begin the day 2-1/2 games behind the Cubs in the National League Central Division. Chris Archer (3-6, 5.49 ERA) will start for the Bucs. Yu Darvish (2-4, 5.01 ERA) will start for the Cubs.