A week ago, a Celtics dynasty was plausible. They were -900 favorites against the New York Knicks before their second-round series began. That number is +400 on Caesars after Tatum's injury news. Just by virtue of playing in the Eastern Conference,

Jayson Tatum's torn Achilles will have a profound impact on the Boston Celtics, but it could also change the landscape of the entire NBA.

What happened at the end of the game overshadowed the fact that the Knicks have now taken a 3-1 lead. Tatum suffered a non-contact injury to his leg and had to be helped off the court. Read more: LeBron James Reacts to Celtics' Jayson Tatum Potential Season-Ending Injury