The teenage son of New York Yankees legend Brett Gardner died of "asphyxiation," according to reports. Miller, 14, was one of several relatives to mysteriously fall ill during a family holiday in Costa Rica . Reports now suggest Miller died "after a possible intoxication after apparently ingesting some food". His body was found in a hotel room on Friday, it is understood. The family are now reportedly working with local authorities to bring his body back to the United States. Officials,