Celtics vs. Cavs: Preview, predictions for big Eastern Conference rematch Unknown 00:22 The Celtics and Cavs are back in the Eastern Conference finals, but this series is entirely different than what we would have expected just one year ago. Does Boston have any chance of stopping LeBron James? Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsAustralian Open 2018, women's preview: Simona Halep, Caroline Wozniacki lead unpredictable field of contendersISL 2017-18: Zequinha scores lone goal as ATK beat NorthEast United FC to move to sixth placeFantasy Premier League Gameweek 23 tips: Rope in Marcos Alonso, take a punt on Harry Kane as captainSydney International: Angelique Kerber to face Ashleigh Barty in final; Daniil Medvedev beats Fabio Fognini in semisI-League 2017-18: Abhijit Sarkar's strike helps Indian Arrows beat Gokulam Kerala FCIvan Sozonov-Vladimir Ivanov interview: 'Badminton in Russia isn't popular like India but we are fighting'