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.

Cooper Flagg's Mavs debut against Bronny James and the Lakers is the most-expensive NBA Summer League ticket on record, per @TickPick. • Lower bowl tickets: $650 • Courtside seats: $2,500 pic.twitter.com/jbfqw130sJ

The No. 1 draft pick is expected to take the court for Dallas against the Lakers tonight at 8 p.m. ET, with tickets available through multiple platforms.