The Miami Heat host the Boston Celtics in Game 3 of the Eastern Conference finals on Sunday night. Miami secured both wins on the road, logging a 111-105 win over the Celtics on Friday night. The Celtics are favored by 4 points in the latest Celtics vs. Heat odds from Caesars Sportsbook, while the over/under is 214.

The game at Kaseya Center in Miami will tip off at 8:30 p.m. ET. Before making any Celtics vs. Heat picks or any other NBA predictions, you NEED to see which side Matt Severance is on. 

Severance is a well-connected writer and handicapper who has worked in the industry since 2005. He is Sportsline's top NBA expert, entering this matchup a sizzling 102-53-1 (+3471) roll on his picks! 

Now, he has set his sights on Game.3 of Celtics vs. Heat and locked in his picks.

The expert knows Miami center Bam Adebayo owns outstanding power and strength in the lane. Adebayo absorbs contact at the rim and will overpower opposing players in the paint. The 25-year-old ranks first on the squad in rebounds (9.7) with 18.5 points per game. In the Game 2 victory, Adebayo supplied 22 points, 17 rebounds, and nine assists.

The expert also knows Boston forward Jayson Tatum is a reliable three-level scorer with excellent footwork to create space. Tatum gets to his spots on the floor with ease and thrives as a rebounder. The four-time All-Star leads the team in both points (28.7) and rebounds (10.5). In his last contest. Tatum finished with 34 points, 13 boards, and eight assists.

Now, Severance has locked in another confident against the spread pick for Celtics vs. Heat. We can tell you he's leaning Over on the point total, but he knows a crucial X-factor makes one side of the spread a MUST-BACK! You ABSOLUTELY need to see what it is before locking in any picks of your own.

So who wins Celtics vs. Heat? And which critical X-factor makes one side of the spread hit HARD? Join SportsLine now to get Matt Severance's Celtics vs. Heat picks, all from the top NBA expert on a 102-53-1 roll!