The Celtics’ Summer League run ended with a 103-97 loss to the Orlando Magic on Saturday, but Boston still left Las Vegas with a 3-2 record and plenty to point to beyond the final score.
Hugo Gonzalez, Chris Cenac Jr. and Dillon Mitchell sat out the finale at Thomas & Mack Center, yet the week still gave the Celtics a look at several encouraging developments. Boston’s draft class showed flashes, John Tonje kept growing on the defensive end, and Gonzalez took on more responsibility as a primary ball-handler.
There was growth on the sideline, too.
After the game, Amile Jefferson talked about what he’ll carry with him from his turn leading the Celtics’ Summer League group, and he made clear that the experience went well beyond drawing up plays.
"I think the biggest thing for me is what it means to be a head coach. Obviously, the X's and O's and being creative, that part is super fun. But then the other side, the player relations, the player relationships, your coaching staff, being able to delegate, being able to put a plan together in a small amount of time that's simple but yet has enough complexity that you can run really good offense and create advantages," said Jefferson.
"Then you can do some things that make them uncomfortable because that's where growth happens. And so it was an invaluable experience for me.
I'm so happy I got to be a part of these guys' journey and development. And I think the biggest takeaway is just what does it mean to be a head coach?"
Jefferson’s background fit the job. The former Duke Blue Devil was a three-time collegiate captain and helped lead his team to a national championship. In Las Vegas, those leadership traits showed up quickly.
He brought energy, but he also brought standards.
"The only thing I asked them to do, and what my identity is, is just somebody who's going to coach them hard and who's going to demand maximum effort," voiced the Celtics' Summer League bench boss. "And I thought they started to personify who I am as a coach and as I was as a player and as a human being, and just a person who grinds and gives max effort, and that's what they did. So, really proud of all of our guys."
That approach clearly resonated with the players. Jefferson’s ability to relate to them matters; he fought for his own playing career at Summer League and eventually earned NBA experience, so the setting is familiar territory.
Caleb Grill described the experience in straightforward terms.
“Great. Amile is full of energy, and it's hard not to play as hard as you can for a guy like that when he puts all his energy and effort into you.”
Tonje had a similar view.
"It was great; he brought a lot of great energy. I think he did an amazing job for his head coach debut," said Tonje. "It was a successful Summer League overall, and it was a blessing to be a part of it."
Jefferson’s command showed throughout the week. His huddles had attention.
His players were locked in when he spoke. That kind of buy-in usually starts with trust, and he seemed to earn it fast.
He also took the advice he’d received from recent Celtics Summer League head coaches and put it into practice, leaning into experimentation with conviction. Over the five games, he mixed in clever after-timeout actions, ways to turn his group into defensive playmakers, and offensive sets designed to create advantages through coordination and timing.
By the end of the week, Jefferson had shown more than just a feel for the clipboard. He showed the ability to connect, to manage, and to push a team in the right direction. That’s why he looks like someone with the makings of a future NBA head coach.
The opportunity may not come easily, even with league expansion on the horizon, but Jefferson has already shown he knows how to make the most of the chances in front of him.
In Other News...
Knicks Just Handed Celtics Fans Another Reason To Laugh
The Knicks kept digging for help in the middle and eventually landed on Moussa Ciss, a 6-foot-11, 23-year-old center from Guinea who brings length and athleticism to the front line. New York had already come up short in pursuits of Yves Missi and Moussa Diabate, so the two-year offer sheet to Ciss reads like a fallback move, but one that still gives the team another shot at adding size and rim protection.
Ciss spent his rookie season with Dallas, appearing in 38 games and showing flashes in limited minutes with modest production on the glass and at the rim. The Mavericks now have until Monday to decide whether to match the Knicks offer, leaving New York in the familiar spot of waiting on another team to make the final call. [Read more 🡒]
Celtics Just Made Their Final Summer League Roster Battle Harder
Bostons final Las Vegas Summer League game ended with a loss to the Orlando Magic, but the bigger takeaway for the Celtics was the way a few roster hopefuls kept making their cases. John Tonje and Milos Uzan both turned in strong stretches in the desert, and each has done enough to stay in the conversation for a spot with Boston next season, especially as the team sorts through its two-way options.
Nick Pringle also flashed the kind of athleticism that tends to stick in a front offices mind, even if his long-term outlook with the organization is less certain. Dillon Mitchell remains part of the mix as well, and Bostons decision-making now has a little more texture to it as the summer winds down and the Celtics weigh which players have earned a longer look. [Read more 🡒]