Blake Barkley died of a "sudden cardiac incident," Saturday night, according to a letter to parents obtained by 6abc.
Barkley played for La Salle College High School's tennis team and was a varsity soccer manager, according to the school's athletics page and the news outlet.
The soccer team won the Philadelphia Catholic League championship on Saturday, the school said on Facebook.
Further details were not immediately known.
Click here for the full report from 6abc.
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