Complex sentence: In boxing he has held the WBA super-middleweight title twice, from 2003 to 2004 and 2007 to 2008, as well as the IBO middleweight title from 2009 to 2010, and the WBA interim super-welterweight title from 2011 to 2012.
Split into simpler sentences: In boxing he is a two-time former super-middleweight world champion, having held the WBA title twice, from 2003 to 2004 and 2007 to 2008. He also held the IBO middleweight title from 2009 to 2010, and the WBA interim super-welterweight title from 2011 to 2012.