As an amateur he won a gold medal at the 2016 Youth World Championships and bronze at the 2019 Pan American Games.

He was defeated in the quarterfinals by eventual gold medalist Roniel Iglesias of Cuba, who was 10 years older.

[5] In June 5, 2022, Delante returned to amateur boxing for one match, challenging Richard Willows for the WBL Welterweight title.

Johnson made his professional debut against Antonius Grable on the Terence Crawford vs. Shawn Porter undercard on November 20, 2021.

[9] Yomar Alamo Tarik Zaina Charles F. Dodge City Center, Pembroke Pines, Florida, U.S. Mike Ohan Jr.