Complex sentence: During 2003--04, he scored the winner in 2--1 triumphs over Racing de Santander and FC Barcelona, while also helping the Aragonese side win the 2004 Spanish Cup.
Split into simpler sentences: During 2003--04, he scored the winner in 2--1 triumphs over Racing de Santander and FC Barcelona. He also helped the Aragonese side win the 2004 Spanish Cup.