HOT ITEM Seen On The Sidelines What star quarterback has been spotted with a new flavor of arm candy? It's notorious bad boy Riley Nash, but his newest flame is the last person this reporter could imagine -- none other than Sophie Jordan, beautiful, buttoned-down co-owner of The Hot Zone, the industry's top sports management agency. What's behind this unlikely team? Some say it has to do with the sudden disappearance of superagent Spencer Atkins. Could there be a connection between the red-hot quarterback and the missing dealmaker? Or has the famous groupie magnet simply met his perfect match in cool, collected Sophie? Watch this space, because the resulting news is bound to be one Hot Item.