The Pirates swept the four-game series, their first four-game sweep since July 1984.
The Pirates swept the three-game series and handed the Cubs their fifth straight defeat.
"The Pirates could have swept the Expos and we would have lost a few games."
The Pirates swept the series 3 games to 0.
The Pirates swept the series and had won seven straight games.
They led their division by a season-high five games last week until the last-place Pirates swept three games.
The Pirates swept four games last weekend in Cincinnati, then won the opener of their current four-game series, 9-3, on Thursday night.
In starting this season, the Pirates swept a three-game series from the Houston Astros, winning the second and third games by a run each.
With critical help from the 32-year-old Ward, the Pirates swept the series.
The Pirates swept us last week, took it to us.