Complex sentence: In March 2013 Magomedov won two world titles in just 12 days difference, first one, in Monte Carlo, he became W.A.K.O. Pro world champion, and sustained an leg injury.
Split into simpler sentences: In March 2013 Magomedov won two world titles in just 12 days. The first, in Monte Carlo, he became W.A.K.O. Pro world champion, and sustained a leg injury.