SportsLine expert and CBS Sports personality Nick Kostos is off to a profitable start to the season on all of against-the-spread NFL picks. But Monday Night Football is when Kostos truly shines. He loves the big stage, and he owns it as well, as evidenced by his blistering 17-9 record picking Monday Night Football games against the spread since SportsLine launched. Now, Kostos -- who is nationally renowned for his bold NFL takes -- has locked in his selection for tonight's Dallas-Arizona matchup. Is he calling for a huge bounce-back performance from Dallas after the Cowboys tanked last week, or will Arizona ride its momentum from last week's win to an upset on football's biggest stage? The man who has made his name picking MNF just revealed his pick...Join SportsLine now to see what big x-factor determines which side you need to be all over in Cardinals-Cowboys, and which team shocks the NFL on national television, all from the expert who has dominated on "Monday Night Football".