The Boston Celtics are back with the NBA's longest active winning streak, which currently sits at six games heading into a London showdown with the Philadelphia 76ers. Despite Boston's run, it's nowhere near enough to unseat Stephen Curry and the Golden State Warriors, who have won four straight of their own with an average of 127.8 points per game during their streak.
Every week throughout the regular season, our panel (ESPN's Kevin Arnovitz, Amin Elhassan and Ramona Shelburne, The Undefeated's Marc J. Spears and FiveThirtyEight's Chris Herring) will rank the league's 30 teams from top to bottom, with research notes on each team provided by ESPN Stats & Information.