On November 22, 2017, Davis had 29 points and 11 rebounds in a 107–90 win over the San Antonio Spurs. He finished the game with 7,938 career points, moving him into second in franchise history ahead of Chris Paul (7,936). He was subsequently named the Western Conference Player of the Week for games played from November 20–26. Davis led the Pelicans to a 3–1 week behind averages of 29.5 points on .586 shooting from the floor, 12.5 rebounds, 2.8 assists and 1.3 blocks. Davis missed three games in early December with an adductor strain. On December 27, 2017, he had 33 points, 11 rebounds and six blocks in a 128–113 win over the Brooklyn Nets. On January 14, 2018, Davis scored a season-high 48 points and grabbed 17 rebounds, leading New Orleans back from 19 points down late in the third quarter to a 123–118 overtime victory over the New York Knicks. He followed that up with a 45-point/16-rebound overtime effort on January 16 to lead the Pelicans past the Boston Celtics 116–113. On January 18, he was named a 2018 NBA All-Star Game starter.