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.

Costa Rica authorities confirmed that carbon monoxide poisoning was the cause of death of Miller Gardner, the 14-year-old son of former New York Yankees outfielder Brett Gardner.

Authorities in Costa Rica investigating the death of former New York Yankees outfielder Brett Gardner’s teenage son have concluded that he died of carbon monoxide poisoning. Miller Gardner, 14, was found dead on March 21 in his hotel room at the Arenas Del Mar resort in Manuel Antonio,