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.

Former Yankees player Brett and his wife, Jessica, announced last month that their teenage son, Miller, died on March 21. Here’s what we know about the cause of his death.

The New York Yankees star’s 14-year-old son was found dead in his hotel room during the family’s vacation in Costa Rica.

The investigation into the death of New York Yankees baseball star Brett Gardner's 14-year old son is continuing.

Carbon monoxide poisoning killed the 14-year-old son of former New York Yankees star Brett Gardner, a Costa Rican official announced on Wednesday. A toxicology report confirmed lethal levels of carboxyhemoglobin ― a compound that forms in exposure cases ― in the blood of Miller Gardner,

Brett Gardner's son Miller's cause of death has been confirmed by local authorities nearly two weeks after his death. Miller was in Costa Rica with family when he died on the morning of Friday, March 21.

The cause of death for Miller Gardner, the 14-year-old son of former New York Yankees outfielder Brett Gardner, has been revealed.

Miller Gardner, the 14-year-old son of former Yankees outfielder Brett Gardner, dies last week while on vacation with his family in Costa Rica due to carbon monoxide poisoning, authorities confirmed Wednesday.