Best betting promos and sportsbooks for NBA prop bets [May 21, 2026]

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The New York Knicks face off against the Cleveland Cavaliers in game two of the Eastern Conference Finals on Thursday night.Just when it looked like the Cleveland Cavaliers were going to take game one, the New York Knicks mounted a 22 point comeback in the fourth quarter, securing the victory in overtime.Heading into game two, expect Jalen Brunson to build on his momentum by taking advantage of a Cavs defense who has slipped down to the bottom half of the board in most defensive metrics.Even though there is only one playoff game being played on Thursday night, there are still plenty of prop bets and markets to wager on which you can read a detailed breakdown of them below.Best betting promos and sportsbooks for NBA prop betsFind the best promos and sportsbooks to use for today’s NBA prop bets.Cleveland Cavaliers vs New York Knicks (8:00pm, EST)Jalen Brunson Over 27.5 Points (-108) at FanDuel SportsbookSince the start of the playoffs, Jalen Brunson has been one of the more dominant scorers in the field, averaging 28.4 Points per game while shooting 38.9% from three and 48.9% from the floor.With the New York Knicks offense running through Brunson, they have been formidable, ranking near the top of the board in Adjusted Offensive Rating and in Three Point Completion Percentage.In a favorable matchup against the Cleveland Cavaliers, Brunson will be able to continue to stuff the stat sheet by exploiting a defense who ranks below league average in Defensive Efficiency.Especially with James Harden incapable of face guarding Brunson around the perimeter, making it easier for him to break away from his assignment and either attack the rim or create enough space to rifle off a high quality shot attempt from three.Karl-Anthony Towns Under 11.5 Rebounds (-135) at BetMGM SportsbookWhile Karl-Anthony Towns has taken a step back in regard to scoring, he has been far more dominant in his efforts of crashing the glass, averaging 10.3 Rebounds per game in the playoffs.Unfortunately for Towns, negative regression looms large with Evan Mobley pulling him out to the perimeter, forcing the Knicks center to battle it out against more bodies in the middle which will lower his chances of securing a Rebound.Cleveland Cavaliers Team Total Under 104.5 (-106) at FanDuel SportsbookAfter a slow start to the year, the Cavs have been able to round back into competitive form as the season progressed, climbing into the top-10 in Offensive Efficiency.Their resurgence on offense helps reduce the amount of negative variance in their contests, making it easier for them to pull away on the scoreboard.Against the Knicks, expect the Cavs to continue to struggle to recapture the same success they had on offense throughout the regular season, battling it out against a defense who excels in coverage per their top-10 marks in Adjusted Defensive Rating and in Opposing Effective Field Goal Percentage.For some more exposure, escalator bet the Cavs team total by placing smaller wagers on their alternate unders at the best available odds across multiple sportsbooks.Donovan Mitchell Under 4.5 Assists (-165) at BetMGM SportsbookCorrelating this prop with the previously mentioned one, the Cavs inability to break away from the Knicks coverage will drastically lessen the quality of their shot attempts, chipping away at Mitchell’s total number of Assist Opportunities when he connects with his spot up shooters.With his teammates struggling to score, Mitchell may be tasked with shouldering a heavier workload, taking it upon himself to force a shot near the rim when he slashes through the middle rather than kick it out.About the authorKody MalstromKody Malstrom is a professional sports bettor and sports betting journalist with six years of experience covering a vast majority of sports. He covers football, basketball, hockey, baseball, and the UFC in written and video form.Born and raised in Michigan, Kody is a Detroit sports fan who spends all of his Sundays in the fall rooting for the Detroit Lions and Saturdays watching as much College Football as possible. In the winter, he shifts his focus to the Detroit Red Wings and Pistons while simultaneously rooting for his North Carolina Tar Heels.When he is not staring at betting markets, you can find Kody at the beach or snowboarding down a mountain, depending on the time of the year.Commercial content notice: Taking one of the sportsbooks offers featured in this article may result in a payment to talkSPORT. 21+. T&Cs apply. Gambling Problem? Call 1-800-GamblerResponsible gambling Remember to gamble responsiblyA responsible gambler is someone who:Establishes time and monetary limits before playingOnly gambles with money they can afford to loseNever chase their lossesDoesn’t gamble if they’re upset, angry, or depressedNational Council on Problem Gambling – https://www.ncpgambling.org/For help with a gambling problem, call the National Gambling Helpline on 1-800-522-4700 or go to ncpgambling.org/chatMost read in Sportsbooks USBest betting promos and sportsbooks for MLB prop bets [May 20, 2026]Best betting promos and sportsbooks for NBA prop bets [May 20, 2026]