The MLB postseason picture started taking shape in a single night. In the four Wild Card Series openers on Sept. 29 (PT), the New York Yankees blanked the Boston Red Sox and the San Diego Padres shut out the Chicago Cubs, while the Atlanta Braves and Chicago White Sox also took Game 1 to move a win away from the Division Series. (Reuters, 2026-09-30)

The Yankees routed Boston 9-0 at home. Starter Cam Schlittler struck out 10 over 6 1/3 innings, and Ben Rice went 4-for-5 with a solo homer and a grand slam, driving in six. (Reuters, 2026-09-30) Boston managed just three hits and never scored.

The Padres blanked the Cubs 8-0 at home. Michael King fired seven scoreless innings on one hit with eight strikeouts, and Fernando Tatis Jr., Manny Machado and Xander Bogaerts all went deep. (Reuters, 2026-09-30) Joe Musgrove, back from Tommy John surgery, made his first big-league appearance since the 2024 postseason to close out the ninth — a welcome sight for San Diego. Cubs cleanup hitter Seiya Suzuki sparked a bases-loaded chance with a ninth-inning single, but Chicago fell to the brink of elimination. (Sponichi, 2026-09-30)

The Braves edged the Philadelphia Phillies 5-3 at home. Austin Riley’s three-run homer with two outs in the eighth turned the game around. Philadelphia had briefly gone ahead 3-2 on J.T. Realmuto’s two-run triple, but closer Jhoan Duran faltered in the eighth. (Reuters, 2026-09-30; ESPN, 2026-09-29)

The White Sox beat the Houston Astros 6-3 on the road. Colson Montgomery, playing in his postseason debut, led the way with a 432-foot solo shot in the fourth. The last time the White Sox won a postseason series was their sweep of the Astros in the 2005 World Series. (Reuters, 2026-09-30)

The Los Angeles Dodgers, idle in the first round, will face the Braves-Phillies winner in the Division Series. (Sponichi, 2026-09-30) All four Game 2s are set for Sept. 30 at the same venues. (Reuters, 2026-09-30)

Sources: Reuters, 2026-09-30; ESPN, 2026-09-29; Sponichi, 2026-09-30