[3] Bell-Haynes starred as a freshman for Vermont, earning America East All-Rookie Team honours in 2014–15, averaging 8.8 points a contest.

[4] In his sophomore season, Bell-Haynes took on a larger role, becoming the Catamount's leading scorer with 12.2 points per game, and garnering All-America East Third Team honours, as well as All-Tournament Team after the Catamounts reached the America East Basketball Championship game, falling to Stony Brook.

[5] As a junior, Bell-Haynes was named America East Player of the Year and First-Team All-Conference as he guided the Catamounts to a 29–6 overall record and perfect 16–0 mark in conference play along with a 21-game win streak en route to its sixth America East men's basketball title in 2017, securing the automatic bid to the 2017 NCAA tournament.

[8] He signed a three month deal, with an option for the remainder of the season, with the Skyliners Frankfurt of the German Basketball Bundesliga on August 28, 2018.

[15] Bell-Haynes was named player of the week on November 17 after contributing 23 points, six rebounds and nine assists in a win against Mitteldeutscher BC.