By Edward Chaykovsky
According to the World Boxing Organization, WBO super middleweight champion Robert Stieglitz (41-2, 23KOs) will make a mandatory defense against British titleholder George Groves (14-0, 11KOs) on May 5th in Erfurt, Germany. The event will be promoted by Sauerland Event and SES Boxing. Last month in in Budapest, SES submitted around $800,000 to secure the promotional rights to the fight. The bout will take place on the same card as the Marco Huck-Ola Afolabi WBO cruiserweight title rematch.