Paul DeJong handed the Washington Nationals a second straight walk-off loss, capping a back-and-forth finish with a game-ending solo homer in the ninth inning of the St. Louis Cardinals' 7-6 victory Monday night.

DeJong took Koda Glover (0-1) deep leading off the ninth on a 3-1 pitch. A night earlier, Ryan Madson allowed a game-ending ninth-inning grand slam to the Chicago Cubs' David Bote to end a 4-3 defeat.

Matt Carpenter kicked off a wild ending with a three-run go-ahead homer during a four-run eighth inning for St. Louis. It was Carpenter's 17th homer during a 31-game on-base streak.

Washington tied it at 6 in the top of the ninth on RBI singles by Daniel Murphy and Matt Wieters off closer Bud Norris. Dakota Hudson (3-0) relieved Norris and stranded two baserunners by retiring Wilmer Difo and Adam Eaton.

Jedd Gyorko also homered in the eighth inning for St. Louis.

Juan Soto and Bryce Harper homered for Washington, which has lost five of seven.

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