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.

New York Yankees legend Brett Gardner’s son died of carbon monoxide poisoning after inhaling “high levels” of the noxious gas in a hotel room, a toxicology report has confirmed. Miller Gardner, 14, died suddenly on March 21 after developing a mysterious illness while on vacation in Costa Rica, which also affected other members of his family.