Rush is 2-0 in his career, but can he continue to perform well enough in week three to beat the New York Giants? Cooper Rush has been the Dallas Cowboys backup quarterback for the better part of the last five years, and like it or not, it appears that his time in Big D will continue for at least the remainder of this season. There is a strong possibility that Rush could continue being the backup to Dak Prescott even past this season, but it all comes down to how well he performs during these stretch of games in relief…