The Celtics had no easy fix to replace Jayson Tatum entering their do-or-die Game 5 matchup against the Knicks on Wednesday night. Joe Mazzulla began the game by reinserting Kristaps Porzingis into the starting five in place of Tatum despite the big man’s ineffective play for much of the series due to illness.

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.

With Mitchell Robinson shooting an abysmal 30% (7-of-23) from the free throw line during the Eastern Conference semifinals, Celtics head coach Mazzulla sees no reason to adjust his Hack-A-Mitch strategy that’s been going for the first three games of the series.

Knicks guard Jalen Brunson sent well wishes to Jayson Tatum after the Celtics star underwent Achilles surgery on Tuesday.

The Boston Celtics haven't played up to their potential during the playoffs, but one incredible idea could change that.