Complex sentence: It was in New Zealand where the Adshead made his mark, with his club Manurewa he won 6 trophies including Chatham Cup and got the club into the top division in New Zealand.
Split into simpler sentences: It was in New Zealand where Adshead made his mark. With his club Manurewa he won six trophies including Chatham Cup and got the club into the top division in New Zealand.