Best and worst case scenarios season preview for the Atlantic Division:Raptors: Are They still second best in the East? Is Lowery's play legit? Do you trade Lowry? Are they going to miss Biyombo? Is Valachunes ready to take his game to the next level? How do they match up with the Cavs now ?Celtics: How much better did this team get in the offseason? Is Al Horford enough or do they need one more Star? What are some possible trades for this team during the season? Are they closing the gap on the top teams in the east? Knicks: Whats are all the "if" surrounding this team? how will Derrick Rose play this year? Will Joakim Noah be able to stay healthy this year? Will Melo and Kristaps Porzingis be effective this year? Is Brandon Jennings Preseason play a sign of good things to come?Nets: If given the right offer, should they trade Brook Lopez? Is there a light at the end of the tunnel? How bad is it going to be for them this year?76ers: When will Simmons be back? Is Embiid the real deal? what will their Starting lineup be? Who will they trade? Why has Okafor not played yet?Learn more about your ad choices. Visit megaphone.fm/adchoices