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.

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.

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.

Brett Gardner’s son died of carbon monoxide poisoning. Carbon monoxide is known as the “invisible killer” because it is a colorless, odorless, tasteless gas or liquid. Here’s how to protect yourself and your family from carbon monoxide poisoning while traveling.

Miller Gardner, son of former New York Yankees outfielder Brett Gardner, died from carbon monoxide poisoning, according to Costa Rica officials.

The death of the teenage son of former Yankees player Brett Gardner was caused by carbon monoxide poisoning, officials in Costa Rica said on Wednesday. Miller Gardner died on March 21 while vacationing with his family at a hotel in the country.

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

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.

A new toxicology report found the 14-year-old South Carolina boy's body had carboxyhemoglobin level of 64%, which is 14% above what is considered lethal.