Jets -9.5 - Means the Jets have to win by 10 or more points to cover the spread. Bills +9.5 - Means the Bills will either win, tie, or lose by less than 10 points. Over 41.5 - Means that you think both teams combined will score 42 or more points. Under 41.5 - Means that you think both teams combined will score 41 or less points.