Complex sentence: Rodolfo Martín Arruabarrena (born 20 July 1975) is a former Argentine footballer who played as a left back and is the current manager of Club Nacional de Football.
Split into simpler sentences: Rodolfo Martín Arruabarrena (born 20 July 1975) is a former Argentine footballer who played as a left back. He is the current manager of Club Nacional de Football.