Dina 9 Oktober 2019, dina Game 5 tina National League Division Series, Kendrick pencét grand slam dina inning ka-10 ti Los Angeles Dodgers pitcher Joe Kelly pikeun masihan Nationals kalungguhan 7-3 anu diayakeun salaku skor akhir, maju ka Nationals ka National League Championship Series. Ieu téh ngan kadua tambahan-innings grand slam dina sajarah MLB postseason, nu séjénna keur pencét ku Nelson Cruz dina 2011 American League Championship Series
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