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8 Celtics to watch in Vegas from a high-upside rookie to a Sam Hauser prototype

Las Vegas Summer League gets underway on Thursday, and there are plenty of reasons to be excited about the young Celtics roster.
Nov 21, 2025; Boston, Massachusetts, USA; Boston Celtics forward Jayson Tatum (0) stands along side guard Hugo Gonzalez (28) during the second half against the Brooklyn Nets at TD Garden. Mandatory Credit: Bob DeChiara-Imagn Images
Nov 21, 2025; Boston, Massachusetts, USA; Boston Celtics forward Jayson Tatum (0) stands along side guard Hugo Gonzalez (28) during the second half against the Brooklyn Nets at TD Garden. Mandatory Credit: Bob DeChiara-Imagn Images | IMAGN IMAGES via Reuters Connect

Las Vegas Summer League tips off on Thursday, with the Celtics beginning their campaign on Friday. They announced the roster and schedule on Wednesday, with the team again being coached by assistant coach Amile Jefferson. Here are the players to watch closely for Boston over the next week.

Hugo Gonzalez is too good for summer league

Hugo has been in the news this summer thanks to Giannis trade rumors. He’s not a superstar, but he has already proved he’s a good NBA player, and he should take on a bigger role this season. Hopefully, within a game or two, it will be clear that he’s a level above the competition in Vegas and will be shut down.

Amari Williams could be center depth this season

A second-round pick last season, Williams is back on another two-way deal this season. He looked comfortable as an offensive hub at the center position in Maine and had some nice moments in Boston. If he can gain strength and polish his game, there’s a real chance he could offer some frontcourt depth for the Celtics this season.

Chris Cenac Jr. a high-upside rookie


Cenac was the Celtics’ first-round pick this season. He’s a high-upside swing on a big, raw athlete. He has all the tools and a great skill set, but he has a long way to go before he can make an impact at the NBA level. Still, a strong summer league showing would help, and with the development team in Boston, this pick could look genius in a few years.

Dillon Mitchell can do everything but shoot

The Celtics’ second-round pick, Dillon Mitchell, was a defensive maestro on the wing at St. John’s last season. He was an outstanding college player, but he has never developed a jump shot and could be an offensive liability in the pros if he can’t leverage his other talents. Ideally, he can hit just enough wide-open shots and impact the game in other ways to become a Josh Hart-like player.

John Tonje could earn another two-way deal

Tonje came over from Utah at the deadline and got a two-way deal in Boston, showing promise in the G-League. He can handle the ball and score, and in a perfect world, he could fill a bench guard role for the Celtics someday, bringing a much-needed offensive punch.

Curtis Jones could be a scoring machine

The Celtics quietly added Curtis Jones to the roster, who made a splash for the Nuggets last season as a rookie, putting up over 20 points per game in the G-League on more than 10 three-point attempts. There’s an outside chance he pops as a cheap microwave scorer, which would be a huge boon for the Celtics.

Milos Uzan a steady-handed point guard

Milos Uzan was teammates with Cenac at Houston last season and signed an Exhibit-10 deal with the Celtics after going undrafted. He was a steady floor general for the Cougars who may be able to hold his own at 6’4” and with a high bball IQ, could carve out a career in the NBA.

Tucker DeVries could be the next Sam Hauser

The other undrafted player on an E-10 deal with the Cs is Tucker DeVries, who played college ball for Indiana last season. He’s a true sharpshooter at 6’7”, but will need to do everything else well to stick in the NBA. But with his size and college career, it’s not crazy to think he could be a Sam Hauser-like developmental success story in Boston.

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