[NBC Sports Boston] - Celtics have history on their side entering must-win Game 6 vs. Knicks

Don’t write off the Boston Celtics just yet. The Celtics’ hopes of winning back-to-back titles took a major blow Monday night in New York, when Jayson Tatum in a in their second-round series. Given that only 13 of 295 teams in NBA history have come back from a 3-1 playoff deficit (a 4.4 percent success rate) and that the Celtics just lost their best player, there’s no way Boston can join that exclusive comeback club… right? Well, the Celtics took the first step Wednesday