MILWAUKEE -- Leave it to the first postseason series between the rival Cubs and Brewers to make history on Monday night in Game 2 of the National League Division Series .

When the Cubs’ Seiya Suzuki and the Brewers’ Andrew Vaughn traded three-run homers in the opening frame at American Family Field, it marked the first time in postseason history that each team hit a three-run home run (or grand slam) in the first inning.

Even wilder than that? Vaughn's blast was the first three-run homer or grand slam in Brewers postseason history.

Additionally, the 13 combined first-inning runs scored so far in the NLDS are two more than in the first inning of the two games of any other series in postseason history (1989 Cubs vs. Giants NL Championship Series, 2000 Cardinals vs. Braves NLDS at 11

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