- Death of Gardner’s son pinned to carbon monoxide ESPN
- Brett Gardner’s son died from carbon monoxide poisoning, Costa Rica authorities say ABC News
- Miller Gardner’s toxicology results confirm his cause of death after Yankee great’s son, 14, died on vacation: report New York Post
- New York Yankees Player Brett Gardner’s Son Miller’s Official Cause of Death Revealed: Report People.com
- Carbon monoxide killed son of former Yankees star Brett Gardner, autopsy finds The Guardian