By Kyle Wood The Bengals are seven-point favorites over the Cowboys in Week 2 with Dak Prescott set to miss the game. Dallas had originally been favored. The Week 2 meeting between the Bengals and Cowboys was originally projected to be a close battle between two of the NFL’s top offenses. Prior to Week 1, Cincinnati could be found as a 1.5-point underdog for its trip to Dallas. Then, Dak Prescott fractured his thumb. Now, the Bengals, the defending AFC champs, are seven-point favorites at SI Sportsbook against the Cowboys in one of the more lopsided Week 2 spreads. A season-opening 19-3 loss o…