What happened: JT showed up courtside for the Boston Celtics' NBA Summer League game in Las Vegas on Friday night, and young fans in the crowd reacted with excitement to seeing him there.

Why it matters: The scene comes as Boston overhauls its roster for the 2026-27 season, having traded for Jaylen Brown and added Mike Conley and Ron Harper Jr. this offseason. A visible presence at Summer League fits a front office staying hands-on as the team retools its core.

What to watch: Boston's Summer League squad continues play in Las Vegas as the front office evaluates its young talent ahead of training camp.