The Thunder’s title defense has taken a brutal hit, and it comes with two of their most important wings headed for surgery.
Head of basketball operations Sam Presti said Monday that Jalen Williams fractured his fibula and dislocated his ankle on his left leg and will need an operation, according to Justin Martinez of The Oklahoman. Presti said Williams was “in good spirits” and “very optimistic about the situation.” The team will wait until after the procedure to set a return timeline.
Presti also updated Cason Wallace’s status, and that news was no better. Wallace has a torn labrum in his left shoulder and will also require surgery. He is out indefinitely as well, with a clearer timetable to come after the operation.
Shams Charania of ESPN reported that both players are expected to miss several months.
For Oklahoma City, this is a gut punch. Williams and Wallace were major pieces of the Thunder’s 2025 championship team, and Williams had just put together a breakout 2024/25 campaign. He earned his first All-Star and All-NBA nods, put up 21.4 points, 5.5 rebounds, 4.8 assists and 1.4 steals per game, and didn’t miss a postseason game in 2025 even while playing through a major wrist injury.
That wrist became a problem again, too. Williams had surgery shortly after the championship run, was out to start last season while recovering, and then needed a second procedure on the wrist last fall.
The 25-year-old forward, in the first year of his five-year rookie scale max extension, also missed significant time last season because of multiple hamstring strains, which kept him out of most of the 2026 playoffs. He appeared in just five of Oklahoma City’s 15 postseason games.
The injury Sunday came late in the fourth quarter of the Thunder’s win over the Clippers, with about 1:15 left. Williams was hit hard in the air on a drive to the basket, and when he came down, his left leg took the full weight of his body. His ankle was bent the wrong way, and he had to be stretchered off the floor.
Wallace’s injury happened earlier in the same game. He left in the first quarter with the shoulder problem, another difficult setback for a player who had just entered 2026/27 as a full-time starter for the first time in his career. The All-Defensive guard recently signed a five-year, $139MM extension that begins in 27/28.
The 10th overall pick in the 2023 draft, Wallace averaged 8.6 points, 3.1 rebounds, 2.6 assists and 1.9 steals while shooting .432/.351/.809 in 77 games last season. He started 58 of them and logged 26.6 minutes per night. His playoff work also helped boost both his extension and the Thunder’s decision to trade Luguentz Dort to Atlanta.
Oklahoma City entered 2026/27 with championship expectations again after falling to the Spurs in a hard-fought seven-game Western Conference finals last season. Now it has to navigate the coming months without two cornerstone pieces.
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For a franchise that has earned a reputation for being patient and selective on draft night, Maras start only adds to the sense that the pick made sense. Around the rest of the Michigan pipeline, the early reviews have been more uneven, which only makes Maras steady opening look more encouraging for the Thunder as they continue to see how he settles in. [Read more 🡒]
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His minutes and responsibility are expected to climb as the Thunder try to keep the offense on track without one of its key creators. For Oklahoma City, the stakes are bigger than one players workload. If McCain handles the expanded role, the deal starts to look like a steal and the Thunder have a better chance of staying effective through Williams absence. If he does not, the margin for error gets a lot smaller. [Read more 🡒]