I think it might be because you've got the team with the best chemistry in the league playing a team that's never played together with their current line-up.
Another funny thing is that we can say Boston is a three and a half point favorite but that's a total shot in the dark because nobody knows how Denver will perform with their new players, how good or bad they'll be, etc.
Another funny thing is that we can say Boston is a three and a half point favorite but that's a total shot in the dark because nobody knows how Denver will perform with their new players, how good or bad they'll be, etc.