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The fifth-seeded Miami Heat are just 48 minutes away from their first NBA Finals appearance since 2014, but first they have to overcome the Boston Celtics in Game 6 of the Eastern Conference Finals. Tipoff for Game 6 is set for 7:30 p.m. ET in Orlando. For Miami to get a chance to win its fourth Larry O'Brien Trophy, it will require strong NBA DFS performances from Bam Adebayo and Goran Dragic, who is leading the Heat with 21.4 points per game during the 2020 NBA Playoffs. 

Are Adebayo and Dragic intelligent NBA DFS options Sunday out of the single-game NBA DFS player pool? And what about Celtics stars Marcus Smart, Jaylen Brown and Kemba Walker? Nailing a perfect NBA DFS roster isn't something to be left purely to chance when entering tournaments, 50-50s or cash games on sites like DraftKings and FanDuel. Before making any Heat vs. Celtics NBA DFS picks, don't miss the NBA DFS advice, core lineup picks and player rankings from SportsLine's Mike McClure, a daily Fantasy pro who has won almost $2 million in his career. 

McClure is also a predictive data engineer at SportsLine who uses a powerful prediction model that simulates every minute of every game 10,000 times, taking factors like matchups, statistical trends and injuries into account. This allows him to find the best NBA DFS values and create optimal lineups that he shares only over at SportsLine. They're a must-see for any NBA DFS player.

McClure rolled through the 2018-19 NBA season, producing multiple lineups that led to huge returns for followers, including as much as 40x on FanDuel and 84x on DraftKings. He saw multiple huge cashes again early in the 2019-20 NBA season and got 2020 off to a blistering start with his optimal lineup returning at least 7x on DraftKings on three of the first five days of the new year. He's returned 4x or more multiple times since that point. Anybody following him has seen huge returns. 

The last time these teams met on Friday, McClure identified Celtics guard Kemba Walker as one of his top picks. The result: Walker filled the stat sheet with 15 points, two rebounds and seven assists -- putting up 31 points on DraftKings.

Now he's turned his attention to Sunday's single-game Heat vs. Celtics DFS slate. Head to SportsLine to see his optimal NBA DFS picks

McClure's top NBA DFS picks for Sept. 27

For Sunday, we can tell you McClure is high on Miami Heat forward Jimmy Butler. The nine-year veteran finished with 17 points, eight assists, eight rebounds, one steal and one block in 36 minutes of Miami's Game 5 loss to the Celtics. Butler is providing 18.4 points, 6.8 rebounds and 4.4 assists against Boston in the series.

It could be argued that Butler provided the Heat his best regular season to date, scoring 19.9 points, grabbing 6.7 rebounds and dishing 6.0 assists in 58 appearances. And he was a beast against the Celtics in the regular season, dropping 28.5 points, six rebounds and three assists per game in two outings. Butler is a big-game player, and Game 6 is a big game, so McClure advises you go with him in all NBA DFS formats. 

Part of McClure's optimal NBA DFS strategy for Sunday includes rostering Celtics center Daniel Theis. The four-year veteran dropped a double-double against the Heat on Friday, scoring 15 points and grabbing 13 rebounds to go along with three blocks and an assist. It was Theis' second double-double of the 2020 NBA Playoffs to go along with the seven he posted in the regular season.

Theis is giving Boston 9.1 points and 7.1 rebounds per game in 16 postseason games so far, and for Boston to force a Game 7, the Celtics will need their big man to come through strong again. McClure knows this, and sees Theis returning value in all NBA DFS formats on Sunday. 

How to set your NBA DFS lineups for Sept. 27

McClure is also targeting another player who has a dream matchup on Sunday. The stars are aligning for him to return 50, even 60 points on DraftKings and FanDuel. This pick could be the difference between winning your tournaments and cash games or going home with nothing. You can only see who it is here

So who are DFS pro Mike McClure's top picks for NBA DFS lineups on Sunday? Visit SportsLine now to see the top NBA DFS picks and player pool from a professional DFS player who has almost $2 million in career winnings, and find out.