Denver opened as the favorite at home -4, O/U 33. StatShark has a slightly different line at -3, O/U 35. So the Vegas line projects to roughly DEN 19, BAL 15 while StatShark has the game at DEN 19, BAL 16. These scores are virtually the same. The major difference is it is more common to score 16 points (3 Field Goals, 1 TD) than 15 points (5 field goals or 2 TDs with 1 two point conversion). The StatShark line of -3, O/U 35 is far more common result than a -4, O/U 33.