He also played basketball at Ohio University, nine years in the NBA for the Portland Trail Blazers, Toronto Raptors,Milwaukee Bucks, Dallas Mavericks and Minnesota Timberwolves and also competed in Greece and Italy.

Averaged 22.2 points per game on the Nike EYBL Circuit for his AAU team, Howard Pulley Panthers.

[5] Following his senior year he was selected to play in both 2017 Jordan Brand Classic and 2017 McDonald's All-American Boys Game.

In the tournament, the Duke team defeated the Iona, Rhode Island, and Syracuse, thereby advancing to the 4th round.

These included one senior, Grayson Allen, and four freshmen: Trent, along with teammates Marvin Bagley III, Wendell Carter, Jr, and Trevon Duval.

[23] On April 2, in a 53-points blowout win over the Golden State Warriors, Trent Jr. recorded the second-highest plus–minus (+54) since the league started tracking the stat in 1996.

[28] In a triple overtime game played on January 29, Trent Jr. scored 33 points and had five steals in a 124–120 win over the Miami Heat.

[30] On February 1, Trent Jr. recorded his fifth straight 30-point game, scoring 33 points in a 110–106 win over the Heat, joining DeMar DeRozan as the only other Raptor to do so.

[31] On February 10, Trent Jr. scored a season-high 42 points, along with five steals and five made three-pointers,[32] in a 139–120 victory over the Houston Rockets.

[33] On March 11, Trent Jr. tied his season-high 42 points, along with eight rebounds, on 8–11 shooting from three-point range in a 107–102 over the reigning Western Conference champion Phoenix Suns.

[37][38][39] On April 5, 2024, Trent Jr. helped the Raptors break their 15-game losing streak, scoring 31 points in a 117–111 win over the Milwaukee Bucks.