 Complete the following phrase:  In 2015, Wijnaldum joined Premier League side Newcastle United for 14.5 million, before departing following the clubs relegation a year later to join Liverpool in a 23 million deal. At Liverpool, Wijnaldum took on a role deeper in the midfield than in his previous clubs. In the 201819 season, Wijnaldum scored twice against Barcelona in the Champions League semi-final second leg comeback as Liverpool went through 43 on aggregate, and he started as the club were victorious in the 