Liverpool fans booed Real Madrid defender Trent Alexander-Arnold during the presentation of the "Royal Club" squad before the fourth-round Champions League match.
Idman.Biz reports that at that time, the graduate of the Liverpool academy smiled, standing on the field with other Real Madrid players.
Alexander-Arnold has played 354 matches for Liverpool in all competitions, scoring 23 goals and providing 92 assists. The defender won the Champions League and two English Premier League titles with the Reds. Trent joined Real Madrid last summer.