What happened: Brooks Lee connected for a grand slam, driving in four runs on the play. MLB's account flagged the swing live as it left the yard.

Why it matters: A four-run swing shifts leverage in a single at-bat, turning a single plate appearance into a multi-run swing on the scoreboard. Grand slams remain one of the rarer high-value outcomes in a game, since they require the bases loaded before contact.

What to watch: Watch for the final line and whether the slam proves decisive as the game plays out.