New on SI: Will Dak Prescott's Absence Prove His True Value?

The Dallas Cowboys were blown out by the Arizona Cardinals 38-10 on Monday Night Football. Of course one notable change for the Cowboys this week was that Andy Dalton started at quarterback given Dak Prescott's injury. Sports Illustrated host Robin Lundberg explains how Prescott's value, which was oft discussed this offseason, will be proven by the performance of the Cowboys in his absence.