'Who are you?' Caleb Wilson's question for Lakers' breakout Arthur Kaluma deserves an answer

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Arthur Kaluma has been a surprise standout player for the Los Angeles Lakers at NBA Summer League in Las Vegas.

He has everyone, including Chicago Bulls No. 4 overall pick Caleb Wilson, asking the same question.

"Who are you?" Wilson shouted at Kaluma during a heated moment on Thursday night:

— Hoop Central (@TheHoopCentral) July 17, 2026

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Kaluma scored 14 points off the bench in what was a 23-point Lakers win over the Bulls. And that was one of his quieter Summer League games.

He previously had a 34-point night:

— NBA (@NBA) July 12, 2026

So about that question.

Who is Arthur Kaluma?

Kaluma is a 24-year old forward from Boston, Massachusetts with family roots from Uganda.

He started his college career at Creighton, then to Kansas State and then to Texas.

He was undrafted in the 2025 class and spent the season in the G League with the South Bay Lakers.

Kaluma is likely ticketed back to South Bay this time around, but he's done everything he can to impress the Lakers in Vegas.