The little-used guard got the call when Boston couldn't stop the Clippers' guards. He delivered stout defense and more in an overtime win.

You never know when you’re going to play,” Jayson Tatum said. “Game’s not going the way it’s supposed to or we expect. Joe calls your number to come and shut somebody down and give us a spark off the bench,

One night later, Boston players all but shrugged their shoulders after falling to the Lakers 117-96 on the second leg of a back-to-back. Kristaps Porziņģis, who has been critical of the Celtics after their worst games recently, sounded ready to dump the latest poor result into the nearest trash can and forget about it for good.

The Boston Celtics head to crypto.com Arena to face the Los Angeles Lakers in a non-conference matchup. The Celtics are 30-13, which puts them in second place in the Eastern Conference. The Lakers are 23-18, which puts them in sixth place in the Western Conference.