The Boston Celtics are back at home for Game 5 when they take on the Miami Heat on Thursday night. Boston came out aggressive in Game 4, securing a 116-99 victory over the Heat. The Celtics are favored by 8.5 points in the latest Heat vs. Celtics odds from Caesars Sportsbook, while the over/under is 215.

The game at TD Garden in Boston will tip off at 8:30 p.m. ET. Before making any Heat vs. Celtics 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 105-54-1 (+3650) roll on his picks! 

Now, he has set his sights on Game 5 of Heat vs. Celtics and locked in his picks.

The expert knows Boston forward Jayson Tatum was lights out in his last outing. Tatum has the ability to get a score from any spot on the floor. The Duke product also does a great job on the glass. In Game 5, Tatum finished with 33 points, 11 boards and seven assists. He's leading the team in points (28.1) and rebounds (10.5). 

The expert also knows Miami forward Jimmy Butler is a menace on both sides of the court. Butler plays with relentless energy and drives to the paint with regularity. The Marquette product is first on the squad in scoring (29.9), assists (5.6) and assists (2.1). In his last outing, Butler dropped 29 points, nine boards and five assists.

Now, Severance has locked in another confident against the spread pick for Heat vs. Celtics. 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 Heat vs. Celtics? And which critical X-factor makes one side of the spread hit HARD? Join SportsLine now to get Matt Severance's Heat vs. Celtics picks, all from the top NBA expert on a 105-54 roll!