Following the season-saving win, head coach Joe Mazzulla spoke out and revealed a highly concerning update about Porzingis when asked why the big man didn't play in the second half. "He couldn't breathe. He was available if absolutely necessary," Mazzulla said.

"We had good intentions, we just didn’t execute," says Celtics coach after falling behind in the series against Knicks.

Joe Mazzulla knew he had to mix things up. With the Celtics down 2-0 after disastrous collapses in the first two games of the Eastern Conference Semifinals in

Is Joe Mazzulla hurting the Boston Celtics? FOX Sports' national radio personality Colin Cowherd didn’t hold back in his critique of the Celtics' head coach following the team’s Game 4 loss to the New York Knicks.

Mitchell Robinson received an ovation from the Madison Square Garden crowd when he made his first free throw in the Celtics' Game 3 win over the Knicks.

Tatum left Game 4 of the Eastern Conference semifinals late in the fourth quarter with what appeared to be a significant lower leg injury. After the game, Mazzulla discussed his s