Complex sentence: The youngest of five children, the 6' 3 (1.90 m) guard began his basketball career at Haddonfield High school in NJ, where he showed and uncanny skill for the game.
Split into simpler sentences: The youngest of five children, the 6' 3 (1.90 m) guard began his basketball career at Haddonfield High school in NJ. This is where he showed and uncanny skill for the game.