The AL kicked off Tuesday's four-game wild-card slate with decisive wins by the Rangers and Twins.
The NL's first contribution to the day was a tense affair in Milwaukee. Ultimately, the Arizona Diamondbacks took a 1-0 series lead on the Milwaukee Brewers with an offensive comeback and a shutdown performance by their bullpen.
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Later, the Phillies, led by seven one-run innings from Zack Wheeler, cruised to a fairly stress-free 4-1 victory over the Marlins in Philadelphia.