Complex sentence: Soukouna started his career for French Championnat National side US Créteil-Lusitanos, however, he did not make an appearance for the first team, only playing in reserve team matches.
Split into simpler sentences: Soukouna started his career for French Championnat National side US Créteil-Lusitanos. However, he did not make an appearance for the first team, only playing in reserve team matches.