Complex sentence: During his time at Athletic, he won a record six Pichichi awards and helped the club achieve a league championship and five Copa del Rey trophies before he retired in 1955, having played 352 matches and scored 333 goals.
Split into simpler sentences: During his time at Athletic, he won six Pichichi awards, a league record, and helped the club achieve a league championship and five Copa del Rey trophies. He retired in 1955, having played 352 matches and scored 333 goals.