Spurs vs Thunder Props & Best Bets for Tonight's NBA Cup Semifinal

With a trip to the NBA Cup Final on the line, Shai Gilgeous-Alexander will put his team on his back.

Quinn Allen - Betting Analyst at Covers.com
Quinn Allen • Betting Analyst
Dec 13, 2025 • 09:21 ET • 4 min read
Shai Gilgeous-Alexander (2) moves the ball around Dallas Mavericks guard Jaden Hardy (1) during the second half at Paycom Center.
Photo By - Imagn Images. Shai Gilgeous-Alexander (2) moves the ball around Dallas Mavericks guard Jaden Hardy (1) during the second half at Paycom Center.

The San Antonio Spurs and Oklahoma City Thunder clash tonight in the NBA Cup Semifinals in Las Vegas, with a spot in the final on the line. 

I’ve dug deep to find my best Spurs vs. Thunder props for this matchup, and I’ll include Shai Gilgeous-Alexander, Victor Wembanyama, and Jalen Williams. 

Read more for my NBA picks for Saturday, December 13. 

Best Spurs vs Thunder props

Player Pick bet365
Hornets Shai Gilgeous-Alexander Over 31.5 points -115
Hornets Victor Wembanyama Under 18.5 points -110
Hornets Jalen Williams  Over 5.5 assists -110

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Prop #1: Shai Gilgeous-Alexander Over 31.5 points

-115 at bet365

Shai Gilgeous-Alexander is playing exactly how a reigning league and Finals MVP would. The superstar is averaging 32.6 points per game, which ranks second in the Association. 

He’s cashed the Over in points in three of his last four appearances, scoring 33 against the Dallas Mavericks and 38 against the Warriors. SGA had just 28 on Wednesday night, but blame his team being too good for that one.

Gilgeous-Alexander did hit the Over in points in two of his previous NBA Cup outings, and he'll show out once again. 

Prop #2: Victor Wembanyama Under 18.5 points

-110 at bet365

Normally, I wouldn’t be confident enough to take Victor Wembanyama to score Under 20 points in any game. However, we need to take into account the Spurs phenom is returning from a month-long injury tonight.

While this game is crucial, San Antonio also won’t be pushing him to play heavy minutes, and his workload likely won’t be as huge as usual.

Also, the Spurs are facing the Thunder, the reigning champions who have the ability to lock up anyone. Chet Holmgren and Isaiah Hartenstein are physical enough to give Wemby issues. 

He’ll have a quiet night in Vegas. 

Prop #3: Jalen Williams Over 5.5 assists

-110 at bet365

Jalen Williams recently made his season debut after rehabbing an injury, and his assist numbers are currently a career-best, averaging 6.2 dimes across six appearances.

The Santa Clara product had five dimes in the quarterfinals against the Suns, but just days prior, he dished out eight in a victory over the Utah Jazz.

Williams is a key playmaker for OKC, and he’ll do his part tonight. 

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Quinn Allen - Covers
Betting Analyst

Quinn Allen is an experienced sports journalist from Vancouver, Canada who fell in love with sports by the time he could walk. He proceeded to play high-level baseball and soccer growing up and eventually played college baseball in the United States.

After his career ended, Quinn received his broadcast journalism degree from BCIT and has since written for many sports publications including ClutchPoints, Gino Hard, and RG, where he plies his trade as a writer and editor.

Quinn's favorite team is Chelsea FC and he'd like to watch a match at Stamford Bridge one day. He loves to bet on NBA player props and encourages others to bet responsibly and not chase losses.

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