Complex sentence: After his retirement, he started a managerial career, Argel was hired as Guaratinguetá's head coach on February 8,2008, being sacked on February 5,2009.
Split into simpler sentences: After his retirement, he started a managerial career. He was hired as Guaratinguetá's head coach on February 8,2008, being sacked on February 5,2009.