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Celtics vs. Thunder Prediction, Odds and Best NBA Prop Bets for Thursday, March 12

Who wins this potential NBA Finals matchup?
The Oklahoma City Thunder and guard Shai Gilgeous-Alexander are favored on Thursday.
The Oklahoma City Thunder and guard Shai Gilgeous-Alexander are favored on Thursday. | David Butler II-Imagn Images

The two top teams in the odds to win the NBA Finals this season face off on Thursday night in Oklahoma City. 

Shai Gilgeous-Alexander and the Oklahoma City Thunder will get their first look at the Boston Celtics with Jayson Tatum on Thursday, as the star forward is set to play in his fourth game of the season.

Boston is 2-1 with Tatum in action, as it lost on Tuesday night to the San Antonio Spurs after Jaylen Brown – an MVP candidate – was ejected in the second quarter. 

The Thunder remain the title favorites, but they have a much tougher path in the Western Conference than Boston would have in the East at this point in the regular season. These teams could be on a collision course to meet in the NBA Finals, making this a great litmus test for both squads.

Oddsmakers have set the Thunder as favorites on Thursday, and I’m eyeing one player prop and a game prediction as two of my best bets on March 12. 

Celtics vs. Thunder Odds, Spread and Total

Odds via DraftKings Sportsbook

Spread

  • Celtics +6.5 (-108)
  • Thunder -6.5 (-112)

Moneyline

  • Celtics: +220
  • Thunder: -270

Total

  • 217.5 (Over -108/Under -112)

Celtics vs. Thunder How to Watch 

  • Date: Thursday, March 11
  • Time: 9:30 p.m. EST
  • Venue: Paycom Center
  • How to Watch (TV): Prime Video
  • Celtics record: 43-22
  • Thunder record: 51-15

Celtics vs. Thunder Injury Reports

Celtics Injury Report

UPDATE: Jayson Tatum has now been ruled OUT on Thursday.

  • Payton Pritchard – probable
  • Baylor Scheierman – available
  • Jayson Tatum – out
  • Derrick White – questionable
  • Nikola Vucevic – out
  • John Tonje – out

Thunder Injury Report

  • Jalen Williams – out
  • Nikola Topic – out
  • Branden Carlson – out
  • Isaiah Hartenstein – out
  • Thomas Sorber – out

Celtics vs. Thunder Best NBA Prop Bet

Celtics Best NBA Prop Bet

  • Jayson Tatum OVER 2.5 3-Pointers Made (-136)

Earlier today, I shared in my NBA Best Bets column – Peter’s Points – why Tatum is worth a look against this tough OKC defense: 

Even though Tatum is questionable for Thursday’s matchup, he’s worth a look in the prop market if he does play.

The Celtics star is averaging 19.7 points, 6.7 rebounds and 3.7 assists in three games so far this season, playing right around 27 minutes per night. He’s shooting just 39.3 percent from the field and 29.0 percent from 3, but Tatum hasn’t shied away from getting his shots up.

He has taken at least 16 field goal attempts and eight or more 3-point attempts in every game this season, including a 14 3-point attempt game against the San Antonio Spurs on Tuesday.

Tatum has made three, two and four shots from beyond the arc, and I love this prop for him given his usage from deep.

Oklahoma City has the No. 1 defensive rating in the NBA, but it has struggled to defend the 3-ball in the 2025-26 season. The Thunder rank 27th in opponent 3s made per game and 22nd in opponent 3-point percentage.

Tatum’s props still have a little discount since he’s on a minutes restriction, but he’s shown he’s still going to be heavily involved when he’s on the floor. I think he’s a steal at this number, as his 3-point percentage is eventually going to come up from 29.0 percent.

For his career, Tatum is a 36.9 percent shooter from deep. 

Celtics vs. Thunder Prediction and Pick

Boston is the best UNDER team in the NBA this season, hitting it in 42 of 65 games. While the Thunder have hit the OVER in the majority of their games (34 of 66), I think this could be a low-scoring matchup on Thursday night.

Both of these teams rank in the top five in the NBA in defensive rating, and Boston really slows games down, ranking dead last in pace. So, it wouldn’t be shocking to see these teams thrive on the defensive end in the half court, as they rank No. 1 (Boston) and No. 2 (OKC) in opponent points per game, combining to allow around 215 points per night.

The C’s also are a little banged up heading into this game, and one of Tatum or White sitting out would be a huge blow to the Boston offense.

I don’t really love either side in this game, as I believe OKC has the edge, but it may struggle on the boards with Isaiah Hartenstein out. Still, this is the healthiest the Thunder have been in quite some time.

So, let’s trust the defenses to make this a low-scoring battle between Finals contenders. 

Pick: UNDER 217.5 (-112 at DraftKings)


Odds refresh periodically and are subject to change.

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Find Peter Dewey's NBA betting record here (futures included). You can also follow my daily plays on  BetStamp here.

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Peter Dewey
PETER DEWEY

Peter is a senior editor for Sports Illustrated Betting. He has worked as a writer and editor for BetSided, NBC Sports, the Connecticut Sun and the Meriden Record-Journal covering the NBA, WNBA, NFL, MLB, and more. A New York City resident, he is a hoops fanatic with a soft spot for his New York Knicks.

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