Complex sentence: He became famous for a mistake done while playing for Tokyo Verdy in a 2006 match against Sagan Tosu, in which as he probably tried to dribble a forward, he failed and let him score a goal.
Split into simpler sentences: He became famous for a mistake done while playing for Tokyo Verdy in a 2006 match against Sagan Tosu. As he probably tried to dribble a forward, he failed and let him score a goal.