The Boston Celtics are expected to be championship contenders this season, but have lost 11 of their last 26 games

"There's no doubt they're vulnerable," Legler said. "They're vulnerable for a variety of reasons. One, it's how good Cleveland is, like they're legitimately a team that is going to give Boston fits if they play eventually in the conference finals,

In fact, Joe Mazzulla said after the loss to the Hawks that he is "actually more excited at this juncture of the season than I was at the beginning." Still, ahead of their national TV matchup with the Golden State Warriors on Monday (5 p.