Getty Quinnen Williams offered a warning after the Cowboys' blowout win vs. Raiders. It was quite a Dallas Cowboys debut for Quinnen Williams as owner Jerry Jones watched his major NFL trade deadline gamble play out from a Las Vegas luxury suite. Following the team’s blowout win over the Las Vegas Raiders , Williams offered a warning to fans expecting a magical makeover now that the star defensive tackle is in Big D. Williams may be attempting to temper expectations, but it was quite a debut