Boston Celtics head coach Joe Mazzulla spoke about Jrue Holiday's mallet finger injury and what it means for the guard.

A new injury sidelined Jrue Holiday for the Celtics’ marquee matchup with the Cleveland Cavaliers. The starting guard was ruled out for Friday’s game at TD Garden with a mallet finger injury on his right (shooting) hand. Boston also ruled out center Kristaps Porzingis (illness) for the second time in three games.

Veteran point guard Jrue Holiday has been ruled out of Celtics-Cavs on Friday due to an injury that causes plenty of discomfort.

The Boston Celtics will look to get back to winning ways on Friday as they prepare to take on the Cleveland Cavaliers, the No. 1 seed in the Eastern Conference.

Jaylen Brown and Jrue Holiday are both listed as questionable against the Cavs, and it will be interesting to see if they can play in this primetime game. Holiday played in the Celtics' previous game against the Pistons but didn't shoot the ball well, finishing with four points and shooting 0-for-5 from three.

Cleveland leads Boston by 6.5 games but has lost two of the three meetings against the Celtics this season. Boston prevailed at home, 120-117, on Nov. 19 and in Cleveland 112-105 on Feb. 4. The Cavs, who have the best record in the NBA, earned a 115-111 home win against the Celtics on Dec. 1.