Padres chase sweep in low-scoring series vs. D-backs

In the two games since losing Manny Machado to an left ankle injury, the San Diego Padres have produced only seven runs on 10 hits over 20 innings.

And they won both games -- with two different acting managers.

The Padres are in position to earn a series sweep Wednesday afternoon when they oppose the visiting Arizona Diamondbacks.

Veteran left-hander Madison Bumgarner (3-6, 3.45 ERA) will start for Arizona against a po