Miller Gardner, the youngest son of Brett Gardner, died on Friday at the age of 14, the family announced through the Yankees on Sunday. In a statement from the former Yankees outfielder and his wife Jessica, the Gardners said Miller fell ill “along with several other family members while on vacation.” “We have so many questions and so few answers at this point, but we do know that he passed away peacefully in his sleep on the morning of Friday, March 21st,” the Gardners said in the statement.