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

Miller Gardner, the teenage son of former New York Yankees outfielder Brett Gardner, died of carbon monoxide poisoning, authorities in Costa Rica said Wednesday night.

The former New York Yankees outfielder's 14-year-old son died on March 21 during a family vacation in Costa Rica.

The statement refutes a Monday announcement by Costa Rican authorities that there were “high levels of carbon monoxide contamination” in the room where 14-year-old Miller Gardner was found

Authorities in Costa Rica said that toxicology tests showed a lethal level of carbon monoxide saturation in his body.

Una intoxicación por monóxido de carbono fue el motivo del fallecimiento del hijo adolescente del expelotero de las Grandes Ligas Brett Gardner, confirmaron el

Authorities in Costa Rica have revealed the cause of death for the 14-year-old son of former New York Yankees star Brett Gardner. Gardner’s son Miller

The Costa Rica hotel where former Yankee Brett Gardner's son Miller died on March 21 has refuted a claim that the 14-year-old died of carbon monoxide poisoning in a statement issued to PEOPLE on Tuesday,

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.