He won the WBO world junior middleweight champion title against Daniel Santos.

He used to fight out of Germany before moving to America and signing with promoters Gary Shaw and Artie Pelullo.

Dzinziruk moved up in weight to challenge the slick Argentinian boxer Sergio Martínez on March 12, 2011 at the Foxwoods Resort Casino, Mashantucket, Connecticut for the vacant WBC Diamond belt.

[1] Prior to his fight with Martinez, Dzinziruk had never been knocked down in his professional and amateur careers.

This was because Dzinziruk had been battling a number of injuries, and after pulling out of his scheduled September 30 defence against Lukas Konecny, the interim WBO junior middleweight champion Zaurbek Baysangurov was promoted to the status of "full champion.