A high level of carbon monoxide was detected in 14-year-old Miller Gardner's hotel room, Costa Rican Police revealed.

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.

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.

Local authorities previously speculated the teen’s March 21 death could have been caused by an allergic reaction or asphyxiation.

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 late 14-year-old son of former New York Yankees outfielder Brett Gardner, is remembered as an active, kindhearted student who brought joy to family and friends.

A preliminary investigation into the death of Miller Gardner, the son of former Yankee Brett Gardner, indicates he may have died from possible food poisoning.

Former New York Yankees outfielder Brett Gardner and wife Jessica paid tribute to their son Miller in a touching obituary, saying that his smile “brought joy to all,” after the

Miller Gardner, former New York Yankees outfielder Brett Gardner's youngest son, died after getting sick on a family vacation, his parents say.