A 19-year-old college baseball player tragically died in Pennsylvania this week ... after officials say he was seriously injured when a dugout collapsed on him.
The story is horrifying ... Central Penn College infielder Angel Mercado-Ocasio, a freshman, was helping a youth baseball league at a park in Harrisburg on Monday afternoon -- when tragedy struck.
According to City of Harrisburg spokesperson Matt Maisel, Mercado-Ocasio was working to take down a makeshift dugout that had been illegally built at the field ... but part of it fell suddenly, landing on the baseball player.