Thunder's Cason Wallace reportedly agrees to $139 million extension
The guard made 58 starts for the league's best team by net rating in 2025-26 and ranked 55th of 379 players by our impact rating.
- Wallace in 2025-26: 8.6 points, 3.1 rebounds, 2.6 assists
- Thunder went 64-18, first in net rating among 30 teams
- Wallace: 58 starts in 77 regular-season games
1 min read via Shams Charania, Marc SteinHow this story was written
Oklahoma City Thunder guard Cason Wallace has agreed to a five-year, $139 million rookie-scale contract extension, ESPN's Shams Charania reported Sunday, citing agents Jeff Schwartz, Max Lipsett and Marcus Monk of Excel Sports Management.
The report is not official. It describes Wallace as an All-Defensive guard.
Wallace averaged 8.6 points, 3.1 rebounds and 2.6 assists in 26.6 minutes per game in 2025-26 and started 58 of his 77 regular-season games. The Thunder outscored opponents by 6.9 points per game with him on the floor.
His true shooting percentage was 53.8 and his usage was 14.6 percent, a modest share of the offense. Our player rating, Keel Impact, put him 2.5 points per 100 possessions above an average player, 55th of 379 players with 500 minutes or more.
In the playoffs he averaged 8.6 points and 3.8 rebounds over 15 games, with two starts, and shot 64.8 percent true shooting.
The Thunder went 64-18 in 2025-26 and finished first among 30 teams in net rating, at 10.9, and in defensive rating. They ranked sixth in offensive rating.
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Reported byShams Charania, Marc Stein
Shams Charania@ShamsCharania · ESPN
Just in: Oklahoma City Thunder All-Defensive guard Cason Wallace has agreed to a five-year, $139 million rookie-scale contract extension, agents Jeff Schwartz, Max Lipsett and Marcus Monk of Excel Sports Management tell ESPN. https://t.co/vCNVSJjp0q
Shams Charania@ShamsCharania · ESPN
Critical extension for the Thunder to lock in Wallace ahead of restricted free agency next summer -- now having their starting five all under contract for several years. Wallace led the NBA in total steals and deflections last season and has ranked third in steals per game in each of the last 2 seasons, per ESPN Research. He now steps into a starting role with a new extension.
Marc Stein@TheSteinLine · The Stein Line
We almost went the whole week in the NBA without a single rookie scale extension. Then Oklahoma City and Cason Wallace got their deal done just now AND gave us the perfect spark for the latest Late Night NBA Intel. My Sunday Best notes are all here: https://t.co/ND0wVC5riF https://t.co/AttDuECPwo
From the reports quoted here and Keel Stats data; every number is checked against them before publishing.
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