Complex sentence: In 2003, Sinanović was drafted by the Portland Trail Blazers as the 54th overall selection of the 2003 NBA draft, since then, he has played professionally in Belgium, Spain, Germany and Iran.
Split into simpler sentences: In 2003, Sinanović was drafted by the Portland Trail Blazers as the 54th overall selection of the 2003 NBA draft. Since then, he has played professionally in Belgium, Spain, Germany and Iran.