What happened: Columbus Crew made a second-half change, sending on Giaccone in place of Rodriguez. The switch arrived with Columbus holding a 3-0 lead over D.C. United in live play.

Why it matters: The substitution injects fresh energy into the lineup as the Crew look to maintain control in the postseason encounter. Preserving tactical discipline remains essential against D.C. United while the game is active.

What to watch: Columbus aims to close out the match without conceding. D.C. United continues pressing to break through the deficit before the final whistle.