The Spurs Thunder Western Conference defense battle is shaping up as the clearest storyline entering the 2026-27 season. San Antonio and Oklahoma City were the two Western Conference Finals teams a season ago, and both enter this year ranked at the top of the league’s defensive picture, according to CBS Sports. The question is not whether either team can defend. It is which roster holes get exposed first.
San Antonio arrives with a different kind of motivation. The Spurs reached the NBA Finals last season for the first time in six years, improving by 28 wins from the year before, only to lose to the Knicks, who claimed their first championship in 53 years, according to ESPN. Oklahoma City, meanwhile, is retooling its defense around one of the deepest front lines in basketball while absorbing a notable loss on the wing.
Thunder Build Around Rim Protection But Lose Wing Depth
Oklahoma City allowed the fewest fast-break points per game in the league last season, a number that reflects discipline more than star power, per CBS Sports. The Thunder added to that identity by drafting Aday Mara, who joins Chet Holmgren and Isaiah Hartenstein to give Oklahoma City arguably the deepest collection of rim protectors in the sport.
That depth comes with a trade-off. The Thunder lost Lu Dort in the offseason, a departure that thinned their wing rotation and limited their options for bigger scoring forwards, according to CBS Sports. Oklahoma City is expected to lean on younger players, including Nikola Topić, Thomas Sorber and Bennett Stirtz, to fill minutes, and all three still have defensive questions to answer at the NBA level.
Wembanyama Anchors A Rebounding Machine
San Antonio’s defensive identity starts with Victor Wembanyama, who CBS Sports described as the most imposing rim protector in modern NBA history. The Spurs are the league’s best defensive-rebounding team, and that advantage grows even more pronounced when Wembanyama is on the floor, according to the same report.
San Antonio is also adding young talent to that foundation. Rookies Dylan Harper and Carter Bryant are in line for bigger defensive roles this season, giving the Spurs a chance to pair generational rim protection with improving perimeter defense. For a team trying to replicate last season’s run, that defensive floor matters as much as any offensive addition.
Spurs Carry Finals Scar Tissue Into A New Season
Wembanyama said he was perplexed by the Finals loss, noting San Antonio held a double-digit lead in every game of the series, according to ESPN. Guard Stephon Castle struck a more measured tone on what the team learned. “We have a lot of clarity on why we feel like we lost and what we can do to get better,” Castle said, per ESPN.
Forward Devin Vassell was blunter about the gap between last season’s run and this season’s expectations. “You want to be back in that situation, but you can’t skip a day. You can’t skip training camp.
You can’t skip the preseason. You can’t skip opening night. You can’t skip the lone back-to-backs.
You can’t sit here and snap your fingers [and] you’re back in the Finals. It just doesn’t work like that. Nothing is guaranteed,” Vassell said, according to ESPN.
Coach Mitch Johnson framed the pressure as part of the job. “Our expectation is to continue to try to improve and be the best version of this team we can be,” Johnson said, per ESPN. “The expectations are kind of like big games, right?
There’s added enthusiasm, excitement, criticism, opinion. I’ve been on both sides of it now in this league, and I’ll take the expectations.”
History is not on San Antonio’s side. No team has reached the Finals in consecutive seasons since the 2018-19 Golden State Warriors, according to ESPN, a reminder that last season’s breakthrough guarantees nothing about this one.
The Counterpoint: A Dark Horse Lurking In Minnesota
Not every analyst views the West race as strictly a two-team affair. Tracy McGrady named the Timberwolves as a team capable of disrupting the Spurs and Thunder at the top of the conference, according to Sporting News. Minnesota added LaMelo Ball to a backcourt that already featured Anthony Edwards, pairing two top players from the 2020 draft class. That combination gives the Timberwolves a different kind of firepower than either San Antonio or Oklahoma City can claim, and it is a reason the preseason hierarchy is not settled, even with the Spurs and Thunder drawing most of the attention.
What To Watch Before Opening Night
San Antonio was still chasing its first preseason win as of Oct. 12, after falling to the Phoenix Suns 102-98, according to Bleacher Report. Preseason results carry little weight on their own, but how the Spurs’ rookies and Oklahoma City’s young wings perform in these final tune-up games will offer early signs of whether either team’s defensive depth holds up. The regular season opens in the coming weeks, and both rosters will get their clearest answers once games start to count.
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