V-League 2026-2027 Season Opener: Dong Nai Defeated 2-0 by The Cong Amid Record-Breaking Cards

{"core": "V-League opener highlights disciplinary issues and rule changes impacting Vietnamese football.", "key_facts": ["2 red cards in Dong Nai vs The Cong 2-0", "3 yellow cards", "VAR overturned penalty", "5-second rule implemented", "Dong Nai newcomer struggling with finishing"], "source": "Sports news analysis based on public reports dated September 2026", "related_qa": ["What caused the red cards?": "Aggressive play and referee decisions.", "How does the 5-second rule affect games?": "Speeds up play but increases fouls.", "Impact on Dong Nai's season?": "Risk of suspensions and poor performance."]}