The Dallas Mavericks and Boston Celtics square off in Game 3 of the 2024 NBA Finals on Wednesday night. Tipoff is set for 8:30 p.m. ET from American Airlines Center in Dallas. The Mavericks are 2.5-point favorites and the over/under for total points scored is 213.5 in the latest Celtics vs. Mavericks odds from the SportsLine consensus. Dallas is at -149 on the money line (risk $149 to win $100). Kristaps Porzingis (knee) is listed as questionable for Boston.

Before you make any Celtics vs. Mavericks picks for Game 3 of the 2024 NBA Finals, you NEED to see what legendary handicapper Bruce Marshall has to say.

Marshall, who for years was synonymous with the Gold Sheet, a famed sports betting newsletter, is an in-demand guest on numerous sports talk radio and TV shows across the country. Marshall's vast array of editorial work has been featured in the Las Vegas Review-Journal, the New York Post and many other outlets. He has won various handicapping titles and also is working on several book projects.

Marshall has crushed his NBA picks this season for SportsLine members, entering this matchup on a 196-145 run that has returned nearly $3,700 for $100 players! Anyone following has seen HUGE returns!

Marshall knows Dallas point guard Luka Doncic registered his second triple-double over the past four games on Sunday, scoring 32 points, while adding 11 assists, 11 rebounds and four steals in 42 minutes of action. It is his third consecutive 30-plus point total as well, and he has scored 30 or more points 10 times this postseason. He has played well against Boston this year, and averaged 35 points, 15 rebounds, 12 assists and one steal in two regular-season games. In 19 postseason games, all starts, Doncic is averaging 29 points, 9.7 rebounds, 8.5 assists and 1.8 steals in 41.4 minutes.

He is also aware Boston small forward Jayson Tatum continues to set the pace on offense for the Celtics. In Game 2, he registered his fourth double-double in a row with 18 points, 12 assists and nine rebounds. He had 16 points, 11 rebounds, five assists and one block in Game 1. Dallas seems to bring out the best in Tatum. In two regular-season games this year, he averaged 35.5 points, 9.5 rebounds, four assists, 1.5 steals and one block. In 16 postseason games, all starts, he is averaging 24.9 points, 10.3 rebounds, 6.3 assists and one steal in 40.9 minutes.

We can tell you that for Game 3 of the NBA Finals, Marshall is leaning Under the total. He's also found a critical X-factor that has him jumping all over one side of the spread! You ABSOLUTELY NEED to see what it is before locking in any NBA Finals picks of your own! 

Who wins Celtics vs. Mavericks in Game 3, and what critical X-factor makes one side of the spread hit HARD? ... Join SportsLine right now to find out which side of the spread you should be all over, all from the expert on a 196-145 run on NBA picks!