Prescott on new deal: 'I know they're working'

FRISCO, Texas -- Dallas Cowboys quarterback Dak Prescott does not see Sunday's season opener against the Cleveland Browns as some sort of deadline to getting a contract extension finalized. "I'd say they're working," Prescott said Thursday of the discussions involving his agent, Todd France, and Cowboys executive Stephen Jones. "I don't know if that's necessarily the timeline (of getting it done over the weekend). I can't say, 'I'll put a timeline to Todd and Stephen if we don't get this …