However , the former Sevilla star agreed a new two - year deal with Barca on Tuesday , with the option of a third season .
The star     explained that Messi had convinced star to commit his future to the treble - winners .
However , the former Sevilla star agreed a new two - year deal with Barca on Tuesday , with the option of a third season , and the right - back explained that Messi had convinced him to commit his future to the treble - winners .