Simplify the following text for a Grade 7 native English-speaking person.
Original: He attended college at Georgia Tech where he played basketball . Chris Bosh started his NBA career when he was drafted by the Toronto Raptors in the 2003 NBA Draft with the 4th pick in the 1st round .
Simplified: A high school `` Mr. Basketball '' in Texas , Bosh left college at Georgia Tech after one season to enter the 2003 NBA Draft .