Scary moment for NBA star DeMar DeRozan ... who chased an intruder out of his L.A.-area home after a terrifying encounter with his kids, TMZ Sports has learned.
Our sources tell us ... the man broke into DeRozan's home on Nov. 19 and made his way upstairs into a play area where at least one of DeMar's kids was hanging out.
We're told 31-year-old DeRozan