PHOENIX (Interstat) — Ryan Waldschmidt hit a two-run homer in the bottom of the ninth inning Tuesday, lifting the Arizona Diamondbacks to a 5-4 victory over the Chicago Cubs at Chase Field.

The Cubs built a 4-0 lead with Ian Happ’s three-run homer in the fourth and Michael Busch’s RBI single in the sixth. Clay Holmes held Arizona to two hits over seven scoreless innings, striking out five. Chicago finished with seven hits, including two each from Seiya Suzuki and Busch.

Arizona’s bullpen kept the game close. Brandon Pfaadt allowed four earned runs over 6 2/3 innings, and Dennis Santana worked 1 1/3 scoreless frames. The Diamondbacks broke through in the eighth on Gabriel Moreno’s RBI double and Geraldo Perdomo’s two-run single, cutting the deficit to 4-3.

After Jose Fernandez reached base in the ninth, Waldschmidt homered to left field. Justin Martinez pitched a scoreless ninth for the win, while Jacob Webb took the loss. The attendance was 28,215, and the game lasted 2:36. The Cubs fell to 78-58, and Arizona improved to 71-63.