What happened: Cristopher Sánchez struck out 10 in seven innings to lead the Philadelphia Phillies over Toronto, while Josh Naylor’s grand slam propelled the Seattle Mariners past Baltimore. In a chaotic 12-inning residency game, the Milwaukee Brewers and Athletics combined for 29 runs and 11 homers. The Washington Nationals rallied for three runs in the ninth to defeat San Francisco, and San Diego used small-ball tactics to overcome Cincinnati.

Why it matters: The Athletics' 15-14 extra-inning loss underscores the extreme offensive profile of Las Vegas Ballpark. Sánchez’s dominant start keeps Philadelphia firmly in the Wild Card race with a 1.54 ERA. Washington's late surge against Keaton Winn shifts the NL momentum.

What to watch: The Phillies and Mariners aim to extend their winning streaks as they solidify playoff positioning. The Athletics and Brewers wrap up their landmark Vegas series on Wednesday.