LAS VEGAS -- MMA Fighting's Ariel Helwani and Marc Raimondi take a closer look at the top storylines heading into Saturday night's UFC 196, including UFC featherweight champion Conor McGregor facing Nate Diaz in a welterweight contest. In the co-main event, UFC bantamweight champion Holly Holm puts her belt on the line against Miesha Tate.
UFC 196 preview show
