Complex sentence: In 1999, he moved to English club Preston North End, but began to establish himself in league football with loan spells at Southend United and Hartlepool United.
Split into simpler sentences: In 1999, he moved to English club Preston North End, but began to establish himself in league football with loan spells at Southend United and Hartlepool. He also had loan spells at Southend United and Hartlepool United.