Liverpool stay in touch with City as supersub Origi haunts Everton again 

Andy Robertson broke the deadlock but Jurgen Klopp needed his bench to break down stubborn Toffees

Liverpool's Luis Diaz (right) assists Liverpool's Divock Origi (not pictured) in scoring their side's second goal of the game during the Premier League match at Anfield, Liverpool. Picture: Peter Byrne/PA Wire 

Premier League: Liverpool 2 Everton 0 

Liverpool closed the gap on Manchester City in the Premier League title race and deepened Everton's relegation worries after second half headers from Andy Robertson and Divock Origi settled a fiesty Merseyside derby.