Terrence Clarke -- a 19-year-old University of Kentucky basketball player and a projected 2021 NBA Draft pick -- was killed Thursday in a car accident in Los Angeles, law enforcement sources tell TMZ Sports.
We're told Clarke was driving a Genesis around 2 PM in the San Fernando Valley when his vehicle was struck by another car ... sending him smashing into a pole and before ultimately slamming into a wall.
Footage from the accident shows Clarke's vehicle completely smashed in,.
Law enforcement sources tells us the accident is being investigated -- but so far, no official cause of the crash has been determined.