By KEN POWTAK Associated Press

BOSTON (AP/CBS) — Jayson Tatum scored 27 points and the Boston Celtics erased an 18-point first-half deficit with a 104-92 victory over the New Orleans Pelicans on Monday.

Tatum scored 21 in the second half and 14 in the fourth quarter to help Boston rally for its fifth win in six games.

READ MORE: Tatum, Brown shoulder blame for Celtics' third quarter collapse in Game 1

Dennis Schröder and Jaylen Brown each had 23 points, Al Horford scored 12 and Grant Williams 10 for Boston. Tatum and Brown each had eight rebounds and Schröder added nine assists with five boards.

New Orleans center Jonas Valančiūnas recorded his 30th double-double this season with 22 points and 14 rebounds. Herbert Jones had 16 points and Brandon Ingram had 15 points with 10 rebounds.

The Pelicans fell to 6-17 on the road.

Tatum slowly walked down the hallway from the locker room with the rest of his teammates for the start of the second half, then spurred a 22-7 run.

Tatum hit a jumper and followed that with a conventional three-point play. He added a crowd-pleasing fast-break dunk after a steal and Aaron Nesmith had a baseline drive for a dunk, got fouled and made the free throw, putting Boston ahead 85-74 with 8:04 to play.

The Celtics completely erased the large deficit, taking their first lead of the game on Schröder’s left-wing 3 late in the third quarter and led 71-69 entering the final quarter. After turning the ball over 10 times in the first half, the Celtics had only four turnovers in the second half, outscoring New Orleans 65-46 in the process.

The Pelicans had opened a 42-24 lead with just over four minutes left in the second quarter and led 46-39 at halftime.

TIP-INS

Pelicans: Started fast and opened a 17-6 lead in the game’s initial six minutes. … They led by 12 points late in the second quarter despite shooting under 40%. … Josh Hart had a double-double with 14 points and 11 rebounds in his last game.

Celtics: Robert Williams III was sidelined due to personal reasons. The 24-year-old revealed on Instagram that he’s preparing for the birth of a child. … Marcus Smart remains in COVID-19 protocol. … Brown was whistled for a technical in the second quarter. … They entered with an exact opposite home/away record. They were 14-8 at home and 8-14 away from TD Garden.

READ MORE: Dreadful third quarter dooms Celtics as Butler leads Heat to 118-107 victory in Game 1

BRICKS

The Celtics missed 16 of their initial 18 on 3-point attempts with Brown, Romeo Langford and Nesmith putting up shots that didn’t even hit the rim. Nesmith’s hit off the side of the backboard.

Tatum was 0-for-4 from downtown, but was 9-for-18 from the field overall. He also hit nine of his 11 free throws in the Boston win.

LINEUP SHUFFLE

With Robert Williams and Smart out, coach Ime Udoka inserted Grant Williams and Schröder into the starting lineup.

UP NEXT

Pelicans: At the New York Knicks on Thursday night.

Celtics: Host Charlotte on Wednesday night. Boston won the first meeting in overtime on Oct. 25.

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(© Copyright 2022 CBS Broadcasting Inc. All Rights Reserved. The Associated Press contributed to this report.)