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The NBA is heating up as the season intensifies down the stretch, and Monday night’s games proved to be wildly entertaining. The Sixers’ winning streak came to an end in a double-overtime game against the Chicago Bulls, and, despite being without three key players, the Utah Jazz proved themselves in a 128-120 home win over the Sacramento Kings.

Tuesday night features a six-game slate that includes the Cleveland Cavaliers visiting the Brooklyn Nets and the Boston Celtics on the road against the Sacramento Kings.

Since some of the league's top talent will be on display tonight, let’s take a look at some NBA free picks and parlays. 

Best NBA Parlays Today - Tuesday, March 21: 4-Leg Parlay Picks (+1229)

I have put together the best NBA parlays for tonight's games -- featuring four legs and offering a potential payout of +1229. After carefully analyzing each matchup, I present these NBA parlay picks that give you the best chance to win big. So, if you're looking for the best NBA parlays tonight, you've come to the right place!

Pistons vs Hawks Prediction and Pick

The Atlanta Hawks enter their home game against the Detroit Pistons having lost three of their last four and once again finding themselves below .500. The Hawks had a poor shooting performance against the San Antonio Spurs last time out, as Trae Young went 4-for-15 from the floor and hit only one 3-pointer to finish the night with nine points.

Atlanta’s defense has allowed an average of 127 points per game in its last three outings -- the second-highest total in the league. The Hawks have also allowed opponents to shoot 53.5 percent from the field over those games.

Offensively, the Hawks are performing poorly from behind the arc. They now face a Detroit Pistons team that has allowed just 29 percent shooting from 3-point range over its last three games (second in the NBA over that span). That strong defense came against teams with very capable 3-point shooters.

That said, Detroit still lost all three of those games and failed to cover the spread in each one despite being at least a 10-point underdog in all three. The Pistons are so badly beaten up with injuries right now that one almost has to feel sorry for them. They will be without Isaiah Livers, Jalen Duren, Alec Burks, Bojan Bogdanovic, Isaiah Stewart, Hamidou Diallo and, of course, Cade Cunningham. Ouch.

This could be an ugly game. The Hawks aren’t shooting well, and the Pistons are struggling for depth. Detroit has cashed three unders in its past three games, and I’m backing it once again tonight, as the team is averaging just 99 points (30th in the NBA) during that stretch.

Leg-1 Parlay Pick: Detroit Pistons vs Atlanta Hawks Under 236.5 Points (-105)

Cavaliers vs Nets Prediction and Pick

The only injuries reported ahead of Tuesday’s game in Brooklyn are Jarrett Allen (questionable) for the Cavaliers and Ben Simmons (out) for the Nets. Other than that, these two Eastern Conference playoff-position teams are healthy and ready to go.

Cleveland has won three of its last four, but the Cavs lost the only game they played against an opponent in playoff position. Their victories came against the Charlotte Hornets -- in back-to-back games -- and the Washington Wizards.

During that run, the Cavs have led the NBA in opposition turnovers, while also turning the ball over themselves fewer times than any other NBA team. Only the Philadelphia 76ers allow fewer points per game right now, and the Brooklyn Nets will need to have a hot-shooting night if they want to pull this one out.

Cleveland allows just 25 attempts from 3-point range per game, which makes for an interesting matchup against the Nets, who are one of the league's highest-volume 3-point shooting teams.

This one all comes down to how hot Brooklyn can get from behind the arc, but the Nets have been in the bottom third of the NBA in 3-point percentage of late (34 percent). If the Cavs can continue to limit opportunities from downtown -- and Donovan Mitchell has the big night I expect him to have -- then the Cavs covering is my favorite pick for this NBA parlay tonight.

Leg-2 Parlay Pick: Cleveland Cavaliers -3.5 (-105)

Thunder vs Clippers Prediction and Pick

Going with the Oklahoma City Thunder against the spread has been one of the most consistent NBA parlay picks this season. The Thunder are 42-26-3 against the spread so far this year and have covered in four of their last five -- including wins over both the Phoenix Suns and Brooklyn Nets.

The Los Angeles Clippers have also covered in four of their last five, having been the favorites each time. The only exception was their loss to the Orlando Magic two games ago.

The Clippers are playing great defense right now. Over that five-game stretch, L.A. has allowed the league's third-lowest field-goal percentage (44.8 percent), and the Clippers are tied for the NBA’s fifth-lowest 3-point percentage by opponents (33.3 percent) – giving up just over 10 threes per game.

Considering how the Clippers frustrate opposing teams, the Thunder will need to improve their form in this one. OKC is shooting a league-low 44.2 percent from the field over its last five games and is a middle-of-the-pack team from behind the 3-point line. 

That said, Shai Gilgeous-Alexander comes into this one on the heels of a 40-point night against the Phoenix Suns. He will be the key if the Thunder are to keep it close. Even facing one of the league’s better-performing defenses right now, the Thunder can cause a stir, which they proved against the Suns. I have them covering the spread as one of the best value plays for NBA parlays tonight.

Leg 3 Parlay Pick: Oklahoma City Thunder +6.5 (-115)

Celtics vs. Kings Prediction and Pick

The game of the night is undoubtedly the Boston Celtics visiting the Sacramento Kings, who suffered a frustrating loss to the Utah Jazz last night.

Sacramento’s De’Aaron Fox got hot in the second half after a slow start against Utah. He contributed 37 points on the night, while Keegan Murray continued his hot streak from 3-point range -- going 6-for-14 from deep and finishing with 22 points.

The Kings have put together the league’s second-highest 3-point total over the past five games -- averaging 41.9 percent and sinking a league high 18.6 threes per game during that stretch. The Celtics, who have two of the league's best wing defenders, will pose a greater challenge, but I still expect to see volume from Sacramento in this game.

The Kings have hit four overs in their last six with a hot offense and continue to outperform any expectations hoops fans had for them prior to the season. The Celtics have covered overs in three of their last five, and while they’re a strong team defensively, I see offense as the main storyline in tonight’s game.

In what should be a really entertaining and fast-paced encounter I have these two covering the over despite the higher-end line set at 238.5 on the Betway Ohio Sportsbook App.

Leg-4 Parlay Pick: Boston Celtics vs Sacramento Kings Over 238.5 (-115)

Odds Subject to change*

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Related: Mike Ortiz Jr. makes his 4 best NBA player prop bets today, including Shai Gilgeous-Alexander, Donovan Mitchell, and Trey Murphy III.