[4][5] Bellotti made his professional debut on 28 May 2015, at the York Hall in London, beating Joe Beeden by knockout (KO) in the first-round.
Cunningham made it to his feet and saw out the remainder of the round, only to be stopped by a barrage of punches in the sixth, giving Bellotti the TKO win and Commonwealth featherweight title.
[11] Bellotti once again fought for the vacant WBC International Silver featherweight title on 11 October 2019, against Italian Francesco Grandelli at the PalaTrento in Trento, Italy.
[12] Bellotti became a two-time Commonwealth champion when he won the vacant title via eighth round stoppage against Aqib Fiaz at the Echo Arena in Liverpool on 21 October 2023.
[16] He retained his titles on 15 February 2025 at the Co-op Live Arena in Manchester, when challenger Michael Gomez Jr retired at the start of round 10.