It's a small sample size of games, but tell that to guys like Isaiah Thomas and Avery Bradley. After Boston's two point loss in Indiana, IT4 and AB had some strong words as the Celtics fell to 1-3 on the season:
"I don't know what it is, but we've got to figure it out sooner than later," Thomas said. "I'm tired of losing."
...
"I don't want us to continue this bad habit," Bradley said. "I want us to break it as soon as possible, because these games come back and haunt us, especially these close ones.