Victor Oladipo, in his third game since joining the Heat in a trade with Houston, scored 16 points.
Memphis outscored Miami 13-5 in the first 3:59 of the fourth quarter and extended its lead to 109-94.
Grizzlies leading scorer Ja Morant was held to 10 points. Morant took only one shot in the first half, yet the Grizzles led 63-57 at halftime. Valanciunas and Anderson each shot 6-for-8 from the field and combined for 35 points in the half.
Grizzlies: Brooks scored nine consecutive points for the Grizzlies late in the third period. With the Heat converging on him during Memphis’ last possession of the period, Brooks found an open Tyus Jones for a 3-pointer that gave the Grizzlies a 96-89 advantage. … Valanciunas extended his double-figure rebounding streak to 17. He also had his 35th double-double of the season. … De’Anthony Melton (sore left leg) and Brandon Clarke (sore left calf) sat out along with Jaren Jackson (right knee surgery recovery) and Justise Winslow (sore right quadriceps).
Heat: Oladipo’s addition has removed guard Kendrick Nunn from the rotation. Nunn, who has started 26 games and is averaging 13.5 points, saw no playing time for a third consecutive game. … KZ Okpala (health and safety protocols) sat out Tuesday. …. The Heat had 11 assists in the first quarter, following their 13 first-quarter assists against Cleveland on Saturday.
Grizzlies: At Atlanta on Wednesday.
Heat: Close their four-game homestand on Thursday against the Los Angeles Lakers.