UFC 329 fight card: Five biggest storylines to follow in the return of Conor McGregor

Conor McGregor returns to the UFC as the headliner for International Fight Week, facing Max Holloway in Las Vegas at UFC 329. The bout marks McGregor's comeback to the octagon and is set to be one of the most high-profile fights of the year. CBS Sports has identified five key storylines surrounding the event, with the McGregor-Holloway matchup serving as the centerpiece.