He played college basketball for Delaware State University, being named the 2014–15 Mid-Eastern Athletic Conference Player of the Year, becoming the fourth selection in school history to earn the honor.

Although limited to just 17 games his freshman season, Gray still earned two Mid-Eastern Athletic Conference (MEAC) Defensive Player of the Week awards.

As a junior in 2013–14 he averaged 11.5 points, 7.9 rebounds, and 2.7 blocks per game en route to a Second Team All-MEAC selection.

[12] In August 2022, Gray joined Patriots BBC on a short-term contract to play in the playoffs of the Rwanda Basketball League (RBL).

[15] In October 2023, Gray joined the Rwandan club REG for the 2023–24 season, to begin his second stint in the Rwanda Basketball League.

[17] He won a bronze medal at the 2023 FIBA AfroCan in Angola, the country's first podium finish in an international tournament.