Complex sentence: After a successful trial period at the club under the watchful eye of the club's managers, Abel Xavier, then Paulo Alves, in November 2013 Karamatić was signed on a 3-year contract which will keep him at the club until 2016.
Split into simpler sentences: After a successful trial period at the club under the watchful eye of the club's managers, Abel Xavier, then Paulo Alves. In November 2013 Karamatić was signed on a 3-year contract which will keep him at the club until 2016.