Boston Celtics (31-18, third in the Eastern Conference) vs. Dallas Mavericks (19-30, 11th in the Western Conference)Dallas; Tuesday, 8 p.m. ESTBOTTOM LINE: Dallas aims to end its three-game home slide with a win against Boston.The Mavericks have gone 14-14 in home games. Dallas leads the Western Conference with 35.0 defensive rebounds per game led by Anthony Davis averaging 8.0.The Celtics are 15-10 on the road. Boston is ninth in the Eastern Conference scoring 116.1 points per game and is shooting 46.9%.The Mavericks average 11.0 made 3-pointers per game this season, 3.2 fewer makes per game than the Celtics allow (14.2). The Celtics are shooting 46.9% from the field, 0.8% higher than the 46.1% the Mavericks’ opponents have shot this season.TOP PERFORMERS: Cooper Flagg is scoring 19.8 points per game with 6.6 rebounds and 4.1 assists for the Mavericks. Naji Marshall is averaging 18.0 points and 6.0 rebounds while shooting 54.4% over the last 10 games.Payton Pritchard is scoring 16.8 points per game and averaging 4.3 rebounds for the Celtics. Jaylen Brown is averaging 26.1 points and 8.0 rebounds over the last 10 games.Popular ReadsLAST 10 GAMES: Mavericks: 5-5, averaging 118.4 points, …