Complex sentence: Bergougnoux began his career at hometown club Olympique Lyonnais where he was formed since a young age and his début for the club came in a 2--0 defeat to RC Lens on July 28,2001.
Split into simpler sentences: Bergougnoux began his career at his hometown club Olympique Lyonnais, where he was formed since a young age. His début for the club came in a 2--0 defeat to RC Lens on July 28,2001.