![WBA middleweight boxing world champion Felix Sturm (L) of Germany delivers a punch to his challenger, compatriot Sebastian Zbik, during their world championships fight in Cologne April 13, 2012.Sturm won by technical WBA middleweight boxing world champion Felix Sturm (L) of Germany delivers a punch to his challenger, compatriot Sebastian Zbik, during their world championships fight in Cologne April 13, 2012.Sturm won by technical](https://c8.alamy.com/comp/2E5TXBM/wba-middleweight-boxing-world-champion-felix-sturm-l-of-germany-delivers-a-punch-to-his-challenger-compatriot-sebastian-zbik-during-their-world-championships-fight-in-cologne-april-13-2012sturm-won-by-technical-knock-out-reuterswolfgang-rattay-germany-tags-sport-boxing-2E5TXBM.jpg)
WBA middleweight boxing world champion Felix Sturm (L) of Germany delivers a punch to his challenger, compatriot Sebastian Zbik, during their world championships fight in Cologne April 13, 2012.Sturm won by technical
![Sturm Box-Promotion on Twitter: "Aus dem Archiv: @SturmBoxing gibt Youngster @BornBoxing Tipps und Tricks. #Boxen http://t.co/Z0pK0vNzWe" / Twitter Sturm Box-Promotion on Twitter: "Aus dem Archiv: @SturmBoxing gibt Youngster @BornBoxing Tipps und Tricks. #Boxen http://t.co/Z0pK0vNzWe" / Twitter](https://pbs.twimg.com/media/BYKq_0FIcAEXtWI.jpg)
Sturm Box-Promotion on Twitter: "Aus dem Archiv: @SturmBoxing gibt Youngster @BornBoxing Tipps und Tricks. #Boxen http://t.co/Z0pK0vNzWe" / Twitter
![WBA Boxing World Champion Felix Sturm (R) fights Irish contender Matthew Macklin at the Lanxess Arena WBA Boxing World Champion Felix Sturm (R) fights Irish contender Matthew Macklin at the Lanxess Arena](https://c8.alamy.com/comp/DAMNPM/wba-boxing-world-champion-felix-sturm-r-fights-irish-contender-matthew-DAMNPM.jpg)