Timothy Bradley
Gvozdyk turned professional in 2014, signing with Top Rank. He won his debut, defeating Mike Montoya (5-2-1) via first-round KO on the undercard of Manny Pacquiao vs. Timothy Bradley II on 12 April 2014. In 2016, Gvozdyk challenged for the NABF light-heavyweight title against former world title challenger Nadjib Mohammedi (37-4), on the undercard of Manny Pacquiao vs. Timothy Bradley III. Gvozdyk dropped Mohammedi in the second round with a right hook. Mohammedi fell face first on the canvas and the referee waved the fight immediately, giving Gvozdyk his tenth straight win and his first professional title.