Miller Gardner, the 14-year-old son of former New York Yankees outfielder Brett Gardner, is believed to have died as a result ...

Asphyxiation was initially thought to have caused the 14-year-old's death, but after an autopsy that theory was ruled out.

The death of the teenage son of former Yankees player Brett Gardner was caused by carbon monoxide poisoning, officials in ...

Miller Gardner -- the 14-year-old son of former New York Yankees outfielder Brett Gardner -- died from carbon monoxide ...

The death of Miller Gardner, the 14-year-old son of former New York Yankees outfielder Brett Gardner, was due to carbon ...

Costa Rica official says Miller Gardner died from carbon monoxide. Miller, 14, was son of former College of Charleston and NY ...

After Brett Gardner’s son Miller Gardner was found dead during a vacation in Costa Rica, authorities confirmed that the 14-year-old died from exposure to poisonous gases including carbon monoxide.

The 14-year-old had 64% saturation of carboxyhemoglobin in his blood. The deadly level is 50%, officials said.

Costa Rican authorities believe Brett Gardner's 14-year-old son Miller died as a result of carbon monoxide poisoning. Randall Zúñiga, director of the Judicial Investigation Agency in Costa Rica, said ...

Miller Gardner, the 14-year-old son of former New York Yankees player Aaron Gardner, died of carbon monoxide poisoning, Costa ...

Carbon monoxide poisoning was the cause of death of the teenage son of former New York Yankees outfielder Brett Gardner, ...