Complex sentence: In 1989 he hosted the morning show of the then nascent 610 WIP (AM) sports format; the program was called "Breakfast with Brookshire" before he was joined by Angelo Cataldi.
Split into simpler sentences: In 1989 he hosted the morning show of the then nascent 610 WIP (AM) sports format. The program was called "Breakfast with Brookshire" before he was joined by Angelo Cataldi.