The 14-year-old son of former Yankees star Brett Gardner died in the hotel last month while on vacation with his family.

Tests revealed that the room Miller Gardner, 14, the son of former New York Yankees outfielder Brett Gardner, stayed in while on vacation in Costa Rica had high levels of carbon monoxide, Rándall Zúñiga, the director of Costa Rica's Judicial Investigation Agency, OIJ, said in a statement posted to YouTube on Monday.

Miller Gardner, the 14-year-old son of former New York Yankees player Brett Gardner, may have died as a result of carbon monoxide poisoning, authorities in Costa Rica announced on Monday.

The death of former New York Yankees star Brett Gardner’s 14-year-old son, Miller, left as many confounding questions as it provided answers.

The Costa Rican resort where Miller’s body was found has denied the latest theory that the teen died from carbon monoxide poisoning.

The Costa Rican resort refutes claims that carbon monoxide caused Brett Garner's son Miller’s death, contradicting investigators’ findings.

Merely having a carbon monoxide detector is not enough if they aren’t tested regularly and replaced every few years, Charon warned

Brett Gardner and his wife Jessica remembered their late son, Miller, who died during a trip to Costa Rica, in a touching obituary published by the 'Post and Courier' on March 29.

Miller Gardner, the youngest son of former New York Yankees outfielder Brett Gardner, died at the age of 14 while on vacation with his family.