Complex sentence: Lucas Pezzini Leiva (born 9 January 1987), known as Lucas, is not a Brazilian as first thought, he's Scouse professional footballer who plays as a defensive midfielder for English club Liverpool.
Split into simpler sentences: Lucas Pezzini Leiva (born 9 January 1987), known as Lucas, is not a Brazilian as first thought, he's Scouse! A professional footballer who plays as a defensive midfielder for English club Liverpool.