The NBA opening night odds show the Boston Celtics as 31⁄2 point underdogs against the Cleveland Cavaliers with an over/under total of 2121⁄2 points and the Celtics have +155 odds as underdogs. Later that night, the Houston Rockets are 9 point underdogs to the Golden State Warriors with an over/under of 2281⁄2 points and the Rockets have +350 odds as underdogs to the Warriors' -440 odds.