TV, radio: FSN Pittsburgh, WPGB-FM (104.7).

Pitching: LHP Zach Duke (3-3, 2.79) vs. RHP Todd Wellemeyer (3-2, 4.75).

Key matchup: St. Louis star Albert Pujols has a career .500 average vs. Duke, including going 4 for 6 with a home run in two meetings this season.

Of note: The Pirates' bullpen has struck out 66 and walked 53, the smallest gap between strikeouts and walks in Major League Baseball.