Bullock scored 1,778 points in his high school career and was named Daily Press Player of the Year as a senior.

He committed to Providence because he developed a good relationship with coach Ed Cooley, joining teammate Josh Fortune on the Friars.

He scored on an inbounds play with 1.5 seconds remaining in the 2016 NCAA Tournament first-round game versus USC, thus giving the Friars the win.

[3] Coming into his junior season, Bullock needed to shoulder more responsibility due to the loss of Kris Dunn and Ben Bentil.

He responded by scoring more the 20 points in nine games and led the Friars to a 20–13 record and fourth straight NCAA Tournament appearance.