Scull turned pro in 2016 and won the first 22 fights of his career.
By 2024, he was listed as the mandatory challenger for Canelo Alvarez's IBF's super middleweight belt.
[1] However, Alvarez decided not to fight Scull and to relinquish the IBF belt instead.
Scull was ordered to fight the #2 ranked contender Vladimir Shishkin for the IBF super-middleweight title.
[2] The pair met at Stadthalle in Falkensee, Germany, on 19 October 2024 with Scull winning by unanimous decision.