Acuna went 2-for-3 with a grand slam and two walks Saturday in a 6-3 win over the Astros.
Acuna delivered a clutch go-ahead blast in the seventh inning for his fourth career grand slam. The star outfielder has been sizzling at the dish in the month of September, hitting .343 with seven homers, five doubles and 19 RBI over his last 70 at-bats. Through 450 plate appearances, he's slashing a healthy .259/.351/.464 with 20 long balls, 55 RBI, 20 stolen bases and 60 runs scored.