From the Lanxess-Arena in Cologne, Germany WBA Super World Middleweight Champion Felix Sturm (35-2-1, 15 KO) puts his title on the line against Matthew Macklin (28-2, 19 KO).

Sturm hasn't lost since 2006 and is currently riding a seven-fight win streak with wins over Sebastian Sylvester, Ronald Hearns and Khoren Gevor.

His opponent has also been unbeaten since 2006 and has a 11-fight win streak against much lesser competition.

The winner of this fight will be looking for a future shot against pound-for-pound star and top middleweight Sergio Martinez.

Check back to Bleacher Report's boxing page for round-by-round results and updates for all of tonight's fights, including Devon Alexander vs. Lucas Matthysse and Tavoris Cloud vs. Yusaf Mack, which can be found here!

Sturm vs. Macklin should begin around 4:30 p.m. ET, but it does have an undercard bout featuring Kell Brook and Lovermore N'dou.