By Per Ake Persson
The undercard to Alexander Povetkin vs. Hasim Rahman, taking place later today in Hamburg, will feature the pro debut of light heavyweight Enrico Kolling, who participated in the 2012 Olympics in London. Kolling takes on Spaniard Pablo Sosa, who went the full eight rounds with Kolling´s more experienced stablemate Erik Skoglund.
Also on the bill is cruiserweight David Graf, who with six early endings in seven fights has shown impressive power. Graf takes on Brit Martyn Grainger.