Andrew McCutchen saved two runs in Game 1, then hit a two-run homer in Game 2. (Photo Credit: David Hague)

A sound will endure from the Pirates' doubleheader sweep of the Cardinals and the most important day for Pittsburgh baseball in 20 years: "Holl-i-day... Holl-i-day."

After Andrew McCutchen hit a two-run homer off the glove of St. Louis right fielder Matt Holliday to cinch a 6-0 victory and keep first place in the National League Central, the fans in PNC Park's left field jeered him the rest of the night. The Cardinals' Pittsburgh playland (the Redbirds were 62-37 at PNC entering this year) has transformed into a house of nightmares. Or Brazil.

"Sick atmosphere tonight at PNC," injured Pirates closer Jason Grilli tweeted, "Felt like a rowdy soccer crowd at times."

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