Ralph Vacchiano
NFC East Reporter
EAST RUTHERFORD, N.J. — The question in Dallas the last few years has always been this: Can Dak Prescott lead the Cowboys to the Super Bowl? This year that question might be irrelevant.
Because for one night, at least, it sure looked like this Cowboys defense is good enough to do it on their own.
They made that statement loud and clear with the biggest Opening Night shutout in franchise history, when…