 Brooks began the 2019-20 season as the Grizzlies' starting shooting guard.After averaging 16.1 points per game over the first half of the season, on February 5, 2020, he signed a three-year, $35 million extension with the Grizzlies.On February 28, 2020, Brooks scored a season-high 32 points, along with getting two rebounds, one assist and one block in a 104–101 loss against the Sacramento Kings.