The NBA has got its calendar down to a great routine. Right after the NBA Finals, the draft takes place. Then it’s the buzz and trades of free agency as teams make huge swings in anticipation of the following season.

Finally, it’s Summer League where teams and fans get to see recently-drafted prospects competing against each other in Las Vegas. The Celtics featured some notable names on their 2025 Summer League roster, where they were one of the better teams in Vegas with a 4-1 record.

The Celtics featured all three of their rookies in Hugo Gonzalez (28th overall), Amari Williams (46th) and Max Shulga (57th). They also had their recent draft picks suit up in Jordan Walsh (38th, 2023) and Baylor Scheierman (30th, 2024), along with two-way forward Miles Norris.

The C’s shook up their roster this summer out of necessity and cap reasons, trading away Kristaps Porzingis and Jrue Holiday. That means some of their Summer League guys could push for a rotation spot this fall, which starts with training camp.

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For now, the NBA and Celtics enter the quiet part of the offseason. But before that, here’s one last look at Summer League with six things we learned from the Celtics’ five games:

First impressions: There was relatively little known about Gonzalez when the Celtics picked him at the end of the first round. The 19-year-old had barely played for Real Madrid, which isn’t a huge surprise considering that’s one of the premier teams overseas. But the Spanish product showed in Vegas pieces of what the scouting report previewed. The wing played with a consistent energy and drive, even though he wasn’t always effective.

The Celtics certainly wanted him shooting 3s as he shot 30.4% from deep on 5.8 attempts per game. Gonzalez wasn’t efficient and there were some struggles, resulting in yelling at himself in Spanish occasionally. There’s no doubt he’ll need to fill out his frame and add some muscle to be effective in the NBA game. While he’s still raw, there were building blocks he flashed during his five games in Vegas.

Fiery veteran: Walsh joked before heading to Vegas that it was nice being the vet on the Celtics summer squad. It was just two years ago when Walsh himself was the 19-year-old flashing potential in Vegas. Now, he’s the rising third-year pro looking to make a mark on the main squad. Walsh got crumbles of playing time to start last season, but he could never land a consistent role throughout his second pro season.

Walsh played with a fire and intensity throughout Summer League, which even led to him getting ejected in the Heat loss. He also talked tons of trash or otherwise at opponents as a vocal presence. Walsh averaged 15.0 points and 4.0 rebounds on 38.9% 3-point shooting in his four games played. Realistically, his Summer League stats won’t matter much when he’s competing for a rotation spot. But Walsh looking like one of the Celtics’ best players consistently was a solid sign.

Slump hurts, but other factors: Scheierman didn’t shy away from how he was in a shooting slump throughout his four Summer League games. “Just keep shooting,” he explained. “At the end of the day, the only way I’m going to get out of it is to keep shooting.” Scheierman averaged 12.3 points, 5.3 rebounds and 6.8 assists per game on 27.4% shooting from the field, including 20.5% on 3-pointers. That efficiency immediately stands out as Scheierman just couldn’t buy a bucket for some stretches.

There were some other pieces that did impressive, though, as Scheierman racked up the assists and flashed his playmaking in Las Vegas. While the missed shots piled up, four games in Vegas isn’t exactly anything a huge sample size by any means. Scheierman could push for a roster spot this fall, but he will need to make open shots generated by the Celtics if he wants a consistent rotation spot.

The other rookies: Williams, 23, and Shulga, 23 are expected to be on two-way contracts, though that’s not official yet after getting picked in the second round. Williams was everywhere in the first half of the Celtics’ blowout win over the Hawks where he was rebounding and dishing the ball. Williams brings nice size and skills at a position of need for the Celtics, so his development will be an interesting watch in his rookie year. Shulga got his opportunities but struggled scoring the ball, averaging 5.0 points on 24.1% shooting. He did average 3.8 assists to 0.6 turnovers per game, so that was a bright spot in that he didn’t give the ball away often.

Surprise addition: It’s no secret the Celtics are thin at the big man spot at this point in the summer. So when Charles Bassey was signed for the first three Summer League games, fans certainly had their attention on the ex-Spurs big man. Bassey dominated at times for the Celtics, putting up 15.3 points and 11.0 rebounds in those three games. To be blunt, though, Bassey should take over at this level. He’s 24 and has played 113 NBA games throughout his first four seasons. So he did what he needed to do to showcase to all 30 teams what he can contribute on the court. It’ll be interesting to see where Bassey ends up if the Celtics don’t end up bringing him in the future.

Other thoughts: Norris can shoot the ball but he didn’t knock down many looks at he shot 25% from 3 from Vegas. But the lengthy wing showed off his athleticism as he’ll again be a two-way contract with the Celtics next season. Kenneth Lofton Jr. was a fun story and he had some nice moments in Vegas, showcasing his offensive abilities. The 6-foot-6 big spent last season in China, where he won MVP, but it’s unclear if he’ll surface again for an NBA training camp. Jalen Bridges was on a two-way contract with the Suns last season; he’ll at least get to be with the C’s through training camp. Bridges also had some solid moments as he looks to stick in the league.

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