Prescott sore on Friday

Cowboys HC Mike McCarthy said QB Dak Prescott (calf) was sore on Friday after ramping up his work in Thursday's practice. McCarthy was non-committal on Prescott's status for Sunday night's game vs. the Vikings. Owner Jerry Jones remains optimistic. "I’d like to think Dak can go and will think that," Jones said. "We’ll see how things work at practice, but I’d say things are looking good right now about Dak.” Prescott seems 50/50 to play at this point. QB Cooper Rush will make his 1st career start on Sunday night if Prescott is out.