Complex sentence: In early 2013, Uroš went on trial on his brother club, Benfica Benfica were happy with his performance and signed him on a 1 year contract with the option to extend it for five more years.
Split into simpler sentences: In early 2013, Uroš on his brother club, Benfica. Benfica signed him on a 1 year contract with the option to extend it for five more years.