Brett Gardner's son Miller's cause of death has been confirmed by local authorities nearly two weeks after his death. Miller was in Costa Rica with family when he died on the morning of Friday, March 21.

The death of Miller Gardner, the 14-year-old son of former New York Yankees outfielder Brett Gardner, at a beach resort in Costa Rica is believed to be related to carbon monoxide inhalation, the Judicial Investigation Agency (OIJ) of the Central American country said Monday.

Officials in Costa Rica have released the body of 14-year-old Miller Gardner — the son of former New York Yankees player Brett Gardner — to his family.

Aaron "Lenny" Leanheardt, an MIT grad and former physics professor-turned-analyst at the Yankees, tells ABC affiliate WPLG how he got the players to buy into his new bat.

But the development of the uniquely shaped piece of lumber — it looks more like a bowling pin than a traditional bat, with a thicker middle and tapered end — wasn't the result of a life spent around the game.