Complex sentence: To make matters worse, he showing up 3 days late for summer camp followed by an off-the-court arrest soon clouded Porter's contributions and the team decided to trade him to the Charlotte Hornets in a 3-team 8-player deal.
Split into simpler sentences: To make matters worse, he showing up 3 days late for summer camp. As a result, the team decided to trade him to the Charlotte Hornets in a 3-team 8-player deal.