He made his college debut the next season, scoring 11 points in a win over the Adamson Soaring Falcons.[3] He scored 13 points in 13 minutes to extend Ateneo's win streak to five against the De La Salle Green Archers.[4] His team lost in the semis that season to the FEU Tamaraws.[5]
With Season 78 MVP Kiefer Ravena graduating, Black transitioned from role player to one of the Eagles' top players.[6] In their first game of Season 79, he had a game-high 23 points and a win against the UST Growling Tigers.[7] In a game against FEU, he injured his left foot, causing him to sit out for three weeks.[8] He returned in a win against the UE Red Warriors.[8] He scored 16 points to help Ateneo prevent La Salle from sweeping the elimination round.[9] For that performance, he was named Player of the Week.[10] They lost in the Finals to La Salle.[11]
InSeasons 80 and 81, Black saw his stats dip under Coach Tab Baldwin, but was still a reliable contributor as Ateneo won back-to-back titles.[12] He forwent his final playing year.[12]
After playing for Ateneo, he next played for the Quezon City Capitals in the Maharlika Pilipinas Basketball League. He tallied 17 points, 11 rebounds, and 10 assists for a triple-double in a win against the Binan City Laguna Heroes.[13] Black averaged 11.8 points, 7.4 rebounds, and 5.4 assists in the 14 games that he played for Quezon City.[14]
In 2019, Black played for the AMA Online Education Titans in the semi-professional PBA D-League Foundation Cup.[15] He had 25 points, 15 rebounds, and 11 assists in his debut.[16] In their first win, he registered 26 points, 16 rebounds, and 14 assists, becoming only the third player in that league's history to rack up multiple triple-doubles after Mike Tolomia (twice) and Jeron Teng (thrice).[17] He cooled down slightly as AMA lost to Marinerong Pilipino, with only 12 points, 10 rebounds, and 6 assists.[18] He had another triple-double with 45 points, 18 assists, and 12 rebounds as AMA qualified for the quarterfinals.[19] He closed his D-League stint with 22 points as Marinerong Pilipino eliminated them.[20]
In the 2019 PBA Draft, Black was drafted 18th overall by the Meralco Bolts, who are coached by his father, Norman Black.[23] He became only the third PBA player to be coached by his father as a head coach after Dodot Jaworski with Robert Jaworski and Marc Agustin with Ato Agustin.[24] In the Bolts' first win, he produced 8 points, 2 rebounds and 2 assists, which was better than his losing debut of 6 points, 3 assists, and 2 turnovers.[25] He contributed 16 points on 6-of-10 shooting, 4 rebounds, 4 assists, and a steal in an overtime win against the Magnolia Hotshots. He copped a Rookie of the Week honor as Meralco started the year 3–1.[26] They finished 7–4, qualifying for the playoffs as a 5th seed and playing against the San Miguel Beermen.[27] In Game 1, he dropped 11 of his 14 points in the fourth quarter as Meralco defeated San Miguel, 78–71, and forced a rubber match for a semis seat.[28] This performance gave him another Rookie of the Week award. They clinched a spot in the semifinals with a dominating 90–68 win.[29] In the semis, they lost in 5 games to the Barangay Ginebra San Miguel, with Scottie Thompson preventing Meralco from going to the Finals.[29] He finished the season by winning the Rookie of the Year Award, becoming the lowest draft pick to do so.[30] He was also named to the All-Rookie Team.[31]
In a 2021 Philippine Cup win against the Beermen, Black scored 14 points.[32] He injured his hand during a game against the Terrafirma Dyip.[33] He was cleared to return nearly a month later during the playoffs.[34] Meralco got to the semifinals in that conference, where they were eliminated by Magnolia.[35] In a 2021 Governors' Cup win over the NLEX Road Warriors, he scored 19 points.[36] They faced Magnolia once again in the semis where in Game 1, he had 14 points, six rebounds, and four assists to contribute in the win.[37] In Game 5, he stepped up for the injured Chris Banchero with 16 points as they got past Magnolia and reached the Finals against Ginebra.[38] In his Finals debut, he scored 12 points as Meralco won first.[39] He then followed it up with 24 points, but Ginebra took the win to even the series 1–1.[40] In Game 5, he got a season-high 25 points, but Ginebra won that game and the next, making them the Governors' Cup champions.[41][42]
On May 24, 2022, Black signed a two-year extension with the team.[43] To start the 2022–23 season, he scored 19 points in a win over the Phoenix Super LPG Fuel Masters.[44] He then followed it up by tying his career-high of 25 points in a win over the Converge FiberXers.[45] He missed the next game due to a wrist sprain.[46] Against the NorthPort Batang Pier, he made his return and put up 20 points, five rebounds, and seven assists to lead Meralco to the win.[47] In a win over the Rain or Shine Elasto Painters, he scored 20 points including a clutch triple with 35.6 seconds left.[48] They ended the 2022 Philippine Cup with a record of 7–4, good for the fifth seed.[49] In Game 1 of their quarterfinals series against Ginebra, he led the way with 25 points as they won.[50] With a win the following game, Meralco was finally able to get past Ginebra in a series.[51] In Game 4 of their semis against the Beermen, he led with 21 points, seven rebounds, and seven assists to tie the series.[52] Then in Game 6, he scored 11 of his 17 points in the fourth quarter and also grabbed five rebounds and six assists to force a do-or-die game.[53] However, they lost Game 7, and were eliminated from title contention.[54]
Meralco then started the Commissioner's Cup with back-to-back losses, but finally got their first win of the conference against Terrafirma in which he had 17 points.[55] In a game against Rain or Shine, Black was accidentally elbowed in the nose by Rey Nambatac and had to be taken to the hospital.[56] In a win over the TNT Tropang Giga, he had a double-double of 17 points and 11 rebounds, along with six assists, a steal, and a block.[57] Meralco didn't qualify for the playoffs that conference.[58]
Black missed some games during the Governors' Cup due to a knee injury.[59] In a win over the Blackwater Bossing, he contributed 19 points, three rebounds, and seven assists.[60] He then had 21 points and eight rebounds in a loss to TNT.[61] In a win over Converge, he had 26 points alongside eight boards and five assists.[62] During the PBA All-Star Week, he participated in the Three-Point shootout and the Greats vs Stalwarts game.[63][64] In the quarterfinals against Magnolia, he scored 16 points, and made a buzzer-beating shot that sent the game into overtime, where Meralco was able to pull out the 113–107 win.[65] In Game 2 of their semis against TNT, he led Meralco to the win with career-highs of 28 points and 10 assists.[66] TNT eventually eliminated Meralco in that series.[67]
Black's father Norman is also a former coach of the Ateneo Blue Eagles.[24] His older sister Dominique is a lawyer who works for a Canadian company in London. He has a girlfriend, Alexandrea Enciso.[71][72]
^The 2019 draft was composed of two drafts: the Gilas special draft, which consists of 5 players reserved for the Gilas Pilipinas program, and the regular draft. Black was selected as the eighteenth pick of the regular draft.