Complex sentence: Whilst at Newcastle United, he scored 143 league and cup goals in 174 appearances, a prolific strike rate of over 82% unmatched by any other player at the club before or since.
Split into simpler sentences: Whilst at Newcastle United, he scored 143 league and cup goals in 174 appearances. His strike rate of over 82% is unmatched by any other player at the club before or since.