Sirenko and Zahozhyi to return in Germany on April 27

WBF heavyweight champion Vladyslav Sirenko (10-0, 9 KOs) and another Ukrainian heavyweight Alexander Zakhozhyi (10-0, 8 KOs) will fight on April 27 at a boxing event in Karlsruhe, Germany. The opponents of the Ukrainians are still undetermined, however, their opponents should be of decent standard, say unofficial sources.