The D-backs beat the Dodgers 4-3 on August 7, giving Arizona the kind of response it needed after San Diego had cut into its cushion.
Nolan Arenado homered in the second inning, and Geraldo Perdomo tripled home another run in the fifth. Los Angeles came back to take a 3-2 lead, but Arizona still had the final swing.
Ryan Waldschmidt ended it in the ninth with a two-run walk-off homer, keeping the D-backs from letting another tight game slip away.
What It Means
The D-backs improve to 62-55. The Dodgers fall to 69-47.
BaseChaser lists Arizona at 60.6% to make the playoffs. Los Angeles remains near locked-in territory at 99.5%.
For Arizona, the important part is the cushion. The D-backs are still ahead of the line, and this walk-off kept that room from getting thinner.
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