Complex sentence: He won the season's French Cup where he scored a late equaliser in the final, which eventually led to a penalty shootout against Olympique de Marseille--a fellow Liverpool player out on loan, Djibril Cissé, netted two goals in the match for the opposition.
Split into simpler sentences: He won the season's French Cup, scoring a late equaliser in the final, which eventually led to a penalty shootout against Olympique de Marseille. Incidentally, a fellow Liverpool player out on loan, Djibril Cissé, netted two goals in the match for the opposition.