The NBA playoffs are heating up, and Monday night delivers a must-watch doubleheader of Game 4 conference semifinal action. For fans looking to add some excitement to the games, a data-driven three-way parlay is offering a potential payout of nearly +600—and we've got the inside scoop on the picks.

First up at 8 p.m. ET, the Cleveland Cavaliers host the Detroit Pistons as 3.5-point favorites in the Eastern Conference. Later, at 10:30 p.m. ET, the Oklahoma City Thunder take on the Los Angeles Lakers as hefty 11.5-point favorites in the West. Both teams are dealing with key injuries: the Thunder's Jalen Williams and the Lakers' Luka Doncic remain sidelined with hamstring issues.

So, where should you place your bets? SportsLine's advanced computer model, which simulates every NBA game 10,000 times, has been on fire this season. It's posted a sizzling 26-9 record (74%) on top-rated spread picks during the playoffs, generating over $10,000 in profit for $100 bettors over the past eight-plus seasons. For Monday, the model has locked in three confident NBA best bets, and combining them into a parlay could yield a near +600 return.

The model's standout play is backing the underdog Pistons (+3.5) to cover against the Cavaliers. Detroit, the top seed in the East, boasts the eighth-best scoring offense in the league, averaging 117.8 points per game while shooting an impressive 48.5% from the field. Led by Cade Cunningham, who is projected to drop 26.1 points, the Pistons are expected to have four players scoring at least 12.5 points. Cleveland counters with the fourth-best scoring offense (119.5 ppg), paced by Donovan Mitchell's projected 27.3 points. Mitchell is coming off a dominant double-double in Game 3, but the model sees Detroit keeping this one close.

Whether you're a seasoned bettor or just looking to add some playoff flavor to your game-watching gear, these picks offer a compelling mix of data and drama. Bet the Pistons +3.5 to cover, and pair it with the model's other selections for a shot at a big Monday night payout.