Career
At the 2001 event he defeated Robert Helenius in the first round, and in 2002 defeated him again in the final. Katajisto made his professional debut on 8 August 2009, knocking out Igor Evseev in the first round. Katajisto"s first career loss came against Arnold Gjergjaj on 23 March 2013, who knocked him out in three rounds.
A second loss came against future world title challenger Johann Duhaupas on 5 April 2014, which was for the European Union heavyweight title.
Katajisto was knocked out in the seventh round.