Complex sentence: He began his career at Real Zaragoza before moving to Athletic Bilbao in 2011, and then to Manchester United for €36 million in 2014, and was named the club's player of the year in the 2016-17 season.
Split into simpler sentences: He began his career at Real Zaragoza, before moving to Athletic Bilbao in 2011 and then to Manchester United for €36 million in 2014. He was named the club's player of the year in the 2016--17 season.