Liverpool took command of their Champions League quarter-final with Porto thanks to two first-half goals in the first leg at Anfield.
Naby Keita and Roberto Firmino scored the winning goals for Liverpool.
Naby Keita bagged the lead for Liverpool withing five when his shot from the edge of the penalty area deflected in off Oliver Torres. The second goal was born out of Roberto Firmino when he tapped home from Trent Alexander-Arnold's cross.
Liverpool goalkeeper Alisson produced an excellent block with his feet to deny him in the 30th minute and moments later the Mali international failed to connect fully with a volley from eight yards.
Maraga had two further chances in the second half but Alisson was first able to comfortably save at his near post and later watch on as the Porto striker blazed over the bar.