TORONTO — Addison Barger launched the first pinch-hit grand slam in World Series history, Alejandro Kirk added a two-run blast in a nine-run sixth inning and the Toronto Blue Jays overwhelmed the defending champion Los Angeles Dodgers 11-4 in the opener Friday night.

“That’s the epitome of our offense,” said Blue Jays third baseman Ernie Clement, who laced a tiebreaking single in the sixth. “It’s a collective effort and everybody just doing their job.”

Daulton Varsho started the Blue Jays’ comeback from a 2-0 deficit with a two-run drive in the fourth off two-time Cy Young Award winner Blake Snell.

“I’ve faced him before plenty of times. He’s obviously dominated me,” Varsho said. “It’s one of those guys where you’ve got to get your best swing off and whatever happens, happens.”

The lon

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