CHET HOLMGREN AND THE OKLAHOMA CITY THUNDER ... The Thunder grew from upstarts to champions in the blink of an eye. Now, their stars' bank accounts are growing, too. Chet Holmgren agreed to a fully guaranteed five-year maximum rookie extension worth up to $250 million.

League tips off today, showing off dozens of NBA rookies with their new squads. Top-five picks, first and second-rounders are set to prove themselves ahead of the 2025-26 season. Here are a few rookies to keep an eye on in today’s initial Summer League action: The Pelicans and Timberwolves will kick off the Summer League slate in Las Vegas with a game at 2:30 p.