The death of former New York Yankees outfielder Brett Gardner's son is now being investigated as a possible carbon-monoxide poisoning, investigators said Monday. Gardner's 14-year-old son, Miller, died in March during a family trip to Costa Rica.

Authorities investigating the tragic death of Brett Gardner's teenage son Miller have suggested that he could have been killed by carbon monoxide

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.

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.

Former New York Yankees outfielder Brett Gardner and his wife Jessica recently wrote their 14-year-old son Miller’s obituary after his unexpected death on March 21. The 8th grad

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.

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.

Earlier this month, the 14-year-old died after getting sick while on vacation in Costa Rica. His cause of death has yet to be revealed.

Miller Gardner's cause of death has been confirmed by Costa Rica authorities. The 14-year-old son of former New York Yankees star Brett Gardner died of exposure to poisonous gases including carbon monoxide poisoning,