Brett Gardner announced his son Miller, 14, died March 21 from what authorities later determined was carbon monoxide ...

Miller Gardner, the 14-year-old son of former Yankees outfielder Brett Gardner, dies last week while on vacation with his ...

Carbon monoxide poisoning was the cause of death of the teenage son of former New York Yankees outfielder Brett Gardner, ...

Brett Gardner and his wife, Jessica Gardner, pose for a photo with their two sons, Hunter and Miller, while on vacation.

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

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

The 14-year-old son of former New York Yankees outfielder Brett Gardner was honored at the Yankees' opening day on Thursday.

The family of former New York Yankees hero Brett Gardner released an obituary for their son, who died on a vacation to Costa ...

The death of Brett Gardner's son has sparked "concern" for Costa Rican businesses.

However, uncovering the cause of death took time. On March 24, Costa Rica's Judicial Investigation Agency informed NBC News the late teen’s body was found in a hotel room in the resort district ...

Miller Gardner, 14, died in his sleep on March 21 after he fell ill during a vacation in Costa Rica, according to a statement ...