Cason Wallace agreed to a five-year, $139 million rookie-scale contract extension with the Oklahoma City Thunder, beating Monday’s deadline for the 2023 draft class to sign extensions. The deal locks in the 22-year-old All-Defensive guard as a core piece of a roster seeking a second NBA championship in three seasons.
Had they not reached a deal before Monday’s deadline, Wallace would have played the final year of his rookie contract on a team option, then entered the 2026-27 offseason as a restricted free agent. The Thunder selected Wallace with the No. 10 pick in the 2023 NBA Draft out of Kentucky.
Terms Of The Cason Wallace Extension
The deal covers five years at $139 million. ESPN’s Shams Charania first reported the extension. The extension comes after Oklahoma City traded shooting guard Luguentz Dort to the Atlanta Hawks in the offseason, a move that signaled the Thunder expected Wallace to take on a larger role.
Thunder general manager Sam Presti connected the two moves directly. “Cason is someone we think very highly of and has done a great job for us,” Presti said, according to ESPN. “I think the greatest sign of respect we could have shown Cason is moving Lu in that trade.
We potentially could have looked at a series of other options, but it’s a bit of a gesture to him to say, ‘We think you can have a great role on this team. We believe in you as a player.'”
What It Means For Oklahoma City’s Roster
With Wallace signed, all five Thunder starters are now locked through at least the 2028-29 season: Shai Gilgeous-Alexander, Jalen Williams, Chet Holmgren, Isaiah Hartenstein and Wallace. Thirteen of the team’s 14 rostered players are under contract for the 2027-28 season.
That continuity comes with a cost. The Thunder are projected to sit roughly $26 million over the second apron in 2027-28, a position that could push their luxury tax bill past $200 million, per ESPN. Oklahoma City’s front office is betting the price is worth it as the team aims for a second championship in three seasons, with Wallace serving as a defensive anchor on the perimeter.
Wallace’s Role And Production
Wallace has grown into one of the better perimeter defenders in the league. Last season Wallace earned second-team All-Defensive honors and led the NBA in total steals with 150, averaging 8.6 points, 2.6 assists and 1.9 steals per game across 77 games. He shot 35.1% on 3.7 three-point attempts per game, added 3.1 rebounds and 0.4 blocks, and played 26.6 minutes a night while starting 58 games.
His role has expanded steadily. Wallace started 13 games as a rookie in 2023-24, when he averaged 6.8 points per game mostly off the bench. He started 43 games in his second season, posting 8.4 points, 3.4 rebounds, 2.5 assists and 1.8 steals while shooting 47.4% from the field and 35.6% from three. Last season he finished seventh in Defensive Player of the Year voting and averaged 10.1 points per game in the Western Conference Finals loss to the San Antonio Spurs.
For his career, Wallace has averaged 7.9 points, 2.2 assists and 1.5 steals across 227 games, including 114 starts. He appeared in all 48 of the Thunder’s playoff games during his tenure and was a key rotation player on Oklahoma City’s 2024-25 championship team, which finished 64-18.
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