Dallas pulled off a big win in the first game without Dak. Is that a sign for the rest of the season? It’s a very different feel for the Dallas Cowboys this week. After a truly horrible showing to open the season, made worse by injuries to Dak Prescott and other key members of the roster, the depleted squad came out and managed an upset win over the Cincinnati Bengals, who just played in the Super Bowl. The mood surrounding the team is suddenly way up. But not everyone is so sure the Cowboys have completely turned a corner. Our…