He made big strides as a sophomore and posted 16 points per game and helped Weymouth to a Bay State Conference Carey Division title with an 18–4 record.

Terrell formed a formidable backcourt at Brewster, which consisted of two other future NBA players in Devonte' Graham and Donovan Mitchell.

[1] Despite posting four consecutive losing seasons before Terrell arrived, the Rams finished 23–10 his freshman year and reached the NIT.

[1] On November 27, 2017, Terrell had a career-high 32 points in a 75–74 win over Seton Hall and hit the game-winning layup with 5.2 seconds left.

[1] Terrell went undrafted in the 2018 NBA draft but was signed by the Minnesota Timberwolves to a two-way contract with the Iowa Wolves of the G League shortly thereafter.

[5] Terrell made his NBA debut on November 4, 2018, against the Portland Trail Blazers, playing 21 minutes and scoring four points off 1-of-8 shooting in a 111–81 loss.