 Complete the following phrase:  After beginning his professional career with Groningen, Van Dijk moved to Celtic in 2013, where he won the Scottish Premiership and was named in the PFA Scotland Team of the Year in both of his seasons with the club, also winning the Scottish League Cup in the latter. In 2015, he joined Southampton before signing for Liverpool in January 2018 for 75 million, a then-world-record transfer fee for a defender. With Liverpool, Van Dijk reached back-to-back UEFA Champions League finals in 