By Tzvi Machlin The Dallas Cowboys are coming off a 12-5 season that saw them post the best offense in the NFL for the first time in years. But it wasn’t enough to get them out of the Wild Card Round – much to the chagrin of Emmitt Smith. Speaking to SI RN, Smith said that the Cowboys aren’t stars yet and can’t act like they’ve “arrived” yet. He said that the team needs to win championships before they can consider themselves great. “You are not a star yet. You’re not a GOAT yet. You’re not great yet. You have to win championships to become all of that… Outside of that, you’re gonna be living …