Nats walked off again, this time by Cards' DeJong

ST. LOUIS -- Paul DeJong handed the Washington Nationals their 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…