Brett Gardner’s son died of carbon monoxide poisoning. Carbon monoxide is known as the “invisible killer” because it is a ...

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

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

Costa Rica authorities confirmed that carbon monoxide poisoning was the cause of death of Miller Gardner, the 14-year-old son ...

Miller Gardner, the teenage son of former New York Yankees outfielder Brett Gardner, died of carbon monoxide poisoning, ...

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

Costa Rican authorities believe Brett Gardner's 14-year-old son Miller died as a result of carbon monoxide poisoning. Randall ...

Investigators said high levels of carbon monoxide were detected in the hotel room where the family, including 14-year-old ...

Costa Rican authorities have now released a toxicology report. Miller Gardner -- the 14-year-old son of former New York Yankees outfielder Brett Gardner -- died from carbon monoxide poisoning ...