Despite their continued success at the NBA level, the Boston Celtics have consistently leaned on their G League affiliate, the Maine Celtics, as an important extension of their development system.
Throughout the season, younger and underutilized players have been assigned to Maine to gain meaningful minutes and accelerate their growth, led by rookie big man Amari Williams.
Williams has steadily showcased legitimate upside in the G League, while also offering glimpses of his potential impact during limited opportunities with Boston.
The Celtics recently reinforced their belief in the 24-year-old’s trajectory, converting his two-way contract into a two-year, $2.7 million standard NBA deal, a clear signal that he is viewed as part of the organization’s longer-term plans.
Boston Celtics Rookie Continues Dominant G League Stretch
Williams’ momentum has shown no signs of slowing. On Wednesday, despite Maine’s 116-109 loss to the Long Island Nets, the rookie center played a central role in keeping his team competitive.
Across 36 minutes, Williams recorded an impressive triple-double with 19 points, 10 rebounds, and 10 assists. He shot 6-of-14 from the field, connected on one three-pointer, and added a block in a well-rounded performance.
Even in defeat, his overall impact stood out. Williams finished as a team-high plus-six and was one of only two Maine players to post a positive plus-minus, underscoring his influence on both ends of the floor.
Celtics two-way guard Max Shulga was the other, leading the team with 25 points, six rebounds, three assists, one steal, and one block, while knocking down five three-pointers.
The triple-double marked Williams’ third of the G League season. His previous efforts came in December, including a 10-point, 13-rebound, 11-assist performance in a win over the College Park Skyhawks, and a 12-point, 15-rebound, 10-assist showing against the Noblesville Boom.
Through 23 games with Maine, Williams is averaging 16.0 points, 11.0 rebounds, 5.3 assists, and 1.7 blocks per game while shooting an efficient 60% from the field in 30.5 minutes.
His scoring has climbed further during the regular season, rising to 19.1 points per game across 13 contests.
Williams’ All-Around Skillset Translating to NBA Opportunity
After flashing early promise, Williams has now settled into consistent production, reinforcing the belief that his development is part of a sustained upward trajectory rather than a short-term surge.
He currently ranks 18th in the G League in total rebounds with 255 and 19th in blocks with 41, establishing himself as one of the league’s most productive interior presences.
What separates him most, however, is his playmaking. Williams’ 122 assists lead all G League centers, highlighting a rare passing ability that adds a modern dimension to his game.
That growth has already translated into meaningful moments at the NBA level with the Celtics.
In late November, Williams played a decisive defensive role in securing a win over the Detroit Pistons, recording two crucial blocks on Cade Cunningham and grabbing a key late rebound.
He delivered another standout moment in January, when he played the entire second overtime of the Celtics’ double-overtime victory over the Brooklyn Nets, creating a pivotal three-pointer for Payton Pritchard and sealing the win with a game-saving block on Nic Claxton.
Across 15 NBA appearances this season, Williams is averaging 1.5 points and 2.0 rebounds in 7.6 minutes per game while shooting 43.8% from the field.
For a second-round pick, his trajectory is highly encouraging. With continued G League assignments expected, Williams remains on a clear developmental path, positioning himself to outgrow his draft status and potentially emerge as a meaningful contributor in the Celtics’ long-term rotation.
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