A 25-year-old man died from injuries sustained after falling about 150 feet down a stairwell at Turner Field during Wednesday night's game between the Atlanta Braves and New York Mets.The senior investigator with the Fulton County Medical Examiner's Office, Mark Guilbeau, said Thursday that the man who fell was Justin Hayes of Cumming, Ga.Guilbeau said an autopsy will be done to determine the cause of death.Atlanta Police Department spokesman Ronald Campbell said Hayes was taken to Grady Memorial Hospital with serious head injuries.Braves spokesman Brad Hainje said Hayes apparently fell from the club level to the landing on the stairwell on the field level during the eighth inning. Campbell says he may have been sliding down the hand rails when he fell.