[1] On 20 June 2019, it was announced that Donovan had signed a contract to fight professionally with Top Rank where he would be promoted by Bob Arum.
In the opening moments of the second round, Donovan connected with a sharp left hand which resulted in his opponent receiving a standing count.
Newton recovered from the knockdown, however, Donovan proceeded to land a powerful right uppercut to the body which knocked his opponent down for a second time.
At the end of the fourth round, Ozgul's corner opted to retire their fighter after he sustained large amounts of damage.
Donovan won via technical knockout in the sixth round after the referee called an end to the bout following an injury to Serban's left ear.
[20] Donovan is scheduled to face Lewis Crocker in a final eliminator for IBF welterweight title at SSE Arena in Belfast, Northern Ireland on March 1, 2025.