Miami Heat (14-7, third in the Eastern Conference) vs. Dallas Mavericks (7-15, 12th in the Western Conference) Dallas; Wednesday, 8:30 p.m. EST BOTTOM LINE: The Miami Heat visit the Dallas Mavericks in a non-conference matchup. The Mavericks have gone 4-9 in home games. Dallas is fourth in the league with 34.5 defensive rebounds per game led by Anthony Davis averaging 6.6.