In October, Luwawu-Cabarrot signed a two-way contract with Brooklyn. He appeared in 47 out of a possible 72 games for the Nets in 2019-20 -- his first season with the team. The wing spent most of November and December with the G League Long Island Nets, where in ten games he averaged 19.5 points, 6.3 rebounds, 3.1 assists and 2.0 three-pointers per G League contest. At the NBA level, Luwawu-Cabarrot posted career highs nearly across the board, averaging 7.8 points, 2.7 rebounds, 0.6 assists and 0.4 steals in 18.1 minutes per contest. He also shot well from three, hitting 1.3 triples per game from 38.8 percent shooting. The 6-foot-7 wing had his first double-digit scoring outing Dec. 26 against the Knicks, posting 10 points (2-3 FG, 2-3 3Pt, 4-4 FT), two rebounds, two steals, one assist and one block in 20 minutes. During a 29-point win over the Hornets on Feb. 22, TLC posted his first 20-point game of the season, racking up 21 points (7-12 FG, 4-7 3Pt, 3-4 FT) and four rebounds in 23 minutes. Luwawu-Cabarrot's new career-high 26 points occurred during seeding play in the Orlando bubble as part of the season's restart. On Aug. 4 in a win over Milwaukee, he posted the 26 points (8-12 FG, 5-7 3Pt, 5-5 FT) in addition to three rebounds and one assist in 31 minutes. The 24-year-old appeared in all eight seeding games, with two starts, and averaged 14.8 points, 4.5 rebounds, 0.5 assists, 0.4 steals and 0.1 blocks in 22.8 minutes per game. In four playoff games against the Raptors, he averaged 16.0 points, 3.8 rebounds, 1.5 assists and 0.8 steals in 32.8 minutes per game. TLC's best playoff performance was in Game 1, when he recorded 26 points (9-13 FG, 6-9 3Pt, 2-3 FT), seven rebounds and two assists in 33 minutes. His Game 1 production led to Brooklyn starting Timo for their last three playoff contests.

In a year split between Chicago and Oklahoma City, Luwawu-Cabarrot saw both his role and production increase as the season progressed. Over the course of a five-game stretch from Nov. 17 to 24, Luwawu-Cabarrot played at least 18 minutes on four separate occasions for the Thunder. Included in that stretch was a 25-minute outing against the Suns on Nov. 17 and a 24-minute game against the Kings just two days later. Luwawu-Cabarrot finished with double figures in scoring in both those contests. The Frenchman was traded to the Bulls on Feb. 1 and immediately took off upon his arrival in the Windy City. Luwawu-Cabarrot played in all 29 of Chicago's games following his arrival. In 19 minutes per night, Luwawu-Cabarrot posted 6.8 points and 2.7 rebounds per game. He was also effective from the free throw line (77 percent) and three-point range (33 percent). Luwawu-Cabarrot ended up starting four of Chicago's final six games, playing no fewer than 25 minutes in any of those contests. He scored in double figures in all six of those games, including an 18-point, 10-rebound double-double against Toronto on March 30.

In his second NBA season, Timothe Luwawu-Cabarrot started seven of the 52 games he played for the Philadelphia 76ers. That number likely would've been higher if he hadn't missed the final 17 games of the regular season with a knee injury. The knee injury also forced TLC to miss all 10 of Philly's post-season games. During those 52 regular season games, the 6-foot-7 French forward averaged 5.8 points on 37.5 percent shooting. He also shot 33.5 percent on three-point attempts. The 2016 first-round pick posted 10 double-digit scoring contests on the season. During an eight-game stretch in January, Luwawu-Cabarrot recorded four of those double-digit scoring performances. That included a season-high 20 points against the Memphis Grizzlies on Jan. 22. During that span, he averaged 9.6 points on 50 percent shooting. Later that month, he dished out a career-high five assists in a loss to the Oklahoma City Thunder.

Timothe Luwawu-Cabarrot made his NBA debut in the 2016-17 season after playing with Mega Leks of the Adriatic League. The 6-foot-7 wing would play in 69 games for the 76ers. The 21-year-old also appeared in three games for the D-League Delaware 87ers. As one might expect for a rookie, TLC's playing time was initially sparse. He made his NBA debut on Oct. 29, collecting one rebound, one steal and one assist in six minutes versus Atlanta. He'd appear in 17 of Philly's first 24 games before heading to the D-League for a boost in playing time. On Nov. 21, Luwawu-Cabarott produced 14 points, six boards, three assists and three steals during his D-League debut in a win over Greensboro. Then in early January, he became a steady member of the 76ers' rotation. He appeared in each of Philadelphia's last 47 games, generating per game averages of 8.4 points, 2.7 rebounds, 1.0 three-pointers and 0.6 steals. Luwawu-Cabarrot would also start in 19 of those 47 contests. Philadelphia ended the season with a 28-54 record and did not qualify for the playoffs.