Complex sentence: WFAN and Westwood One also brought in outside personalities for the slot; among them were Boomer Esiason, David Gregory, Patrick McEnroe, Geraldo Rivera, Lou Dobbs, and Chicago sports radio host Mike North.
Split into simpler sentences: WFAN and Westwood One also brought in outside personalities into the slot. Among them were Boomer Esiason, David Gregory, Patrick McEnroe, Geraldo Rivera, Lou Dobbs, and Chicago sports radio host Mike North.