Complex sentence: On 14 September 2012, Barkley joined Sheffield Wednesday on a one-month loan deal making his debut the same day in an away defeat against Brighton & Hove Albion.
Split into simpler sentences: On 14 September 2012, Barkley joined Sheffield Wednesday on a one-month loan deal. He made his debut on 14 September in an away defeat against Brighton & Hove Albion.