Blood test revealed a carbon monoxide saturation level of 64% in Gardner’s system. Levels above 50% are typically fatal.

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

Costa Rica authorities confirmed that carbon monoxide poisoning was the cause of death of Miller Gardner, the 14-year-old son ...

The New York Yankees star’s 14-year-old son was found dead in his hotel room during the family’s vacation in Costa Rica.

The death of Miller Gardner, the 14-year-old son of former New York Yankees outfielder Brett Gardner, was due to carbon ...

New York Yankee Brett Gardner, has experts warning about carbon monoxide dangers amid speculations. The teen died while on ...

The 14-year-old son of former New York Yankees star Brett Gardner may have died from carbon monoxide poisoning, Costa Rican ...

OIJ director Randall Zúñiga explained that the first results of tests conducted on March 21 - the day the teenager died in ...

A blood test for carbon monoxide showed a saturation level of 64% in Gardner’s body, Costa Rican officials said.

Local authorities previously speculated the teen’s March 21 death could have been caused by an allergic reaction or ...