On January 30, 2021, Pack posted a freshman season-high 26 points, five assists and three steals in a 68–61 loss to Texas A&M.[6] He shot 8-of-14 from the three-point line, setting the program single-game record for three-pointers made by a freshman.[7] Pack missed four games due to COVID-19 protocol and a fifth game because of an eye infection. As a freshman, Pack averaged 12.7 points, 3.8 assists and 3.7 rebounds per game.[8] On January 22, 2022, he scored a career-high 35 points in a 78–75 loss against Kansas.[9] He was named to the First Team All-Big 12 as a sophomore as well as Most Improved Player.[10] Pack averaged 17.4 points, 3.8 rebounds and 2.2 assists per game. Following the season, he declared for the 2022 NBA draft and entered the transfer portal.[11]
On April 23, 2022, Pack transferred to Miami (FL).[12] He averaged 13.6 points, 2.7 rebounds and 2.3 assists per game as a junior. Pack declared for the 2023 NBA draft but opted to return to Miami.[13] Pack averaged 13.3 points and 3.6 assists per game as a senior.[14]