 Complete the following phrase:  Rakitić started his professional career at Basel and spent two seasons with them before he was signed by Schalke 04. After spending three-and-a-half seasons in the Bundesliga, he was signed by Sevilla in January 2011. Two years later, Rakitić was confirmed as the club captain and captained the team to UEFA Europa League triumph. In June 2014, Barcelona and Sevilla reached an agreement on the transfer of Rakitić. In his first season with Barça, he won the treble of La Liga, Copa del Rey and UEFA Champions League. He scored the first goal of the 