Complex sentence: Jody McDonald, a.k.a. Jody Mac, began his career with WFAN in 1987 when it launched he would leave for WIP sports radio in 1990, where he manned the midday airwaves through 1999.
Split into simpler sentences: Jody McDonald, a.k.a. Jody Mac, began his career with WFAN in 1987 when it launched. He would join WIP sports radio in 1990, where he manned the midday airwaves through 1999.