Career
Some sources write the family name Jhonson. He moved up afterwards but skipped lightweight as the dominant Mario Kindelán was Cuban champ. Johnson added a silver at the 2004 Summer Olympics in the Light-Welterweight Boxing division Dilshod Mahmudov and Boris Georgiev but losing to Manus Boonjumnong in the final.
He qualified for the Olympic Games by ending up in first place at the 2nd AIBA American 2004 Olympic Qualifying Tournament in Rio de Janeiro, Brazil.
In 2008 he fought at welter losing to Carlos Banteaux in the final of the national championships. Olympic results
Received a bye in the 1st round
Defeated Davis Mwale (Zambia) Royal Society of Chemistry -3 (1:49)
Defeated Dilshod Mahmudov (Uzbekistan) 32-18
Defeated Boris Georgiev (Bulgaria) 13-9
Lost to Manus Boonjumnong (Thailand) 11-17
Johnson defected along with Guillermo Rigondeaux and Yordanis Despaigne to the United States and made his pro debut on May 22, 2009 in Miami.
As of September 2011 he is undefeated with 11 wins, 7 of which were by way of knockout.
