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,

The Boston Celtics have been consistently inconsistent for nearly two months, and are developing some bad habits in the process.