The attitudes surrounding Philadelphia and Boston couldn’t be in a more polar opposite state.The 76ers are rolling. Last week they took the Eastern Conference arms race to a new level, acquiring Tobias Harris and other players at the NBA trade deadline. Their new starting lineup consisting of Ben Simmons, JJ Reddick, Jimmy Butler, Joel Embiid and Harris is now arguably the best in the league, even better than Golden State’s, and has been tabbed by local media as “The Phab Phive.” MORE: Watch Celtics vs. 76ers live with fuboTV (7-day free trial)The 76ers are 2-0 since the big acquisition, including a 23-point blowout of the Lakers on Sunday in which Embiid had 37 points and newly acquired Harris dropped 22.Meanwhile tensions in the Celtics’ locker room are beginning to boil over. On Thursday, Boston blew an 18-point lead to the Lakers, losing on a buzzer beater from former Celtic Rajon Rondo. Things got worse two days later when they were booed off their home court following a blown 28-point lead against the Clippers. Adding insult to injury, Kyrie Irving left in the second quarter with a knee injury, and veteran forward Marcus Morris called out his team afterward.Marcus Morris went off on his Boston Celtics after the team blew a 28-point lead and lost at home to the Clippers on Saturday: https://t.co/DZr8dKqQGI pic.twitter.com/Agx5J0hn8X— Sporting News (@sportingnews) February 10, 2019Despite the opposite trajectories in team morale, the 76ers and Celtics are neck-and-neck in the standings. Boston has grossly failed to meet preseason expectations of title contention with the insertion of Irving and Gordon Heyward back into its lineup from a year ago. Despite the addition of the all-stars to the starting lineup, the 76ers hold a one game lead over the Celtics for the 4-seed.Here’s how to watch the Eastern Conference matchup live on TV and stream online. What time is Celtics vs. 76ers? The Celtics play the 76ers on Tuesday, Feb. 12. Tipoff is set for 8 p.m. ET.Celtics vs 76ers TV channel, live streamThe game will be broadcast nationally on TNT. It can also be streamed live online with fuboTV, which offers a free seven-day trial.Where is Celtics vs. 76ers being played? Thursday’s game will be held at the Wells Fargo Center in Philadelphia. It’s the final home game before the All-Star break for the 76ers, who have one four of their last five there. The Celtics are an even 13-13 on the road.