Miller Gardner -- the 14-year-old son of former New York Yankees outfielder Brett Gardner -- died from carbon monoxide poisoning, Costa Rican authorities have said.

Carbon monoxide poisoning was the cause of death of the teenage son of former New York Yankees outfielder Brett Gardner, authorities in Costa Rica confirmed Wednesday night.

Costa Rican authorities revealed Wednesday night that carbon monoxide poisoning was the cause of death of the teenager.

Carbon monoxide poisoning killed the 14-year-old son of former New York Yankees star Brett Gardner, a Costa Rican official ...

Miller Gardner, the 14-year-old son of former New York Yankees outfielder Brett Gardner, died of carbon monoxide poisoning. Costa Rica's Judicial Investigation Agency confirmed Miller Gardner's cause ...

Miller Gardner's cause of death has been confirmed by Costa Rica authorities. The 14-year-old son of former New York Yankees ...

Authorities in Costa Rica have released the official cause of death for New York Yankees player Brett Gardner’s 14-year-old ...