For a player who was not even on the roster for the Sin City Celtics, big man Charles Bassey had an impressive impact.

LAS VEGAS — A balanced effort on both ends of the floor and sharp offensive performances from Jordan Walsh and Charles Bassey powered the Boston Celtics to a 92-78 win over the Memphis Grizzlies in an NBA 2K26 Summer League battle at Cox Pavilion in Las Vegas on Friday afternoon.

Feb 28, 2025; Boston, Massachusetts, USA; Boston Celtics guard Jaylen Brown (7) high fives forward Jayson Tatum (0) after the Cleveland Cavaliers called a timeout during the first quarter at TD Garden. Mandatory Credit: Winslow Townson-Imagn Images / Winslow Townson-Imagn Images

A Boston Celtics rookie is fully aware he must improve in this critical area as he transitions to his first season in the NBA.

LAS VEGAS — The Celtics opened Las Vegas Summer League play with a 92-78 win over the Grizzlies on Friday. First-round pick Hugo Gonzalez tallied 12 points, 5 assists, 4 rebounds and 2 blocks, and third-year forward Jordan Walsh had 17 points. Center Charles Bassey, a late addition to the roster, added 14 points and 11 rebounds.

The Boston Celtics traded away fan-favorite center Kristaps Porzingis over the NBA offseason for salary cap relief, and he spoke out in the aftermath of the dea