As of March 2011, the last player to score a hat trick against Liverpool is Manchester United's Dimitar Berbatov.
Fernando Torres the last hatrick scorer in the league.
The last player to score a total of four goals , and even then his team failed to win , is Andrei Arshavin, from Arsenal who scored four goals in the match with Liverpool. But Liverpool also scored four goals ,2 by Torres and 2 by Benayoun.
Liverpool 2-0 Chelsea ( Liverpool scored at 89th min and 94th min)
Julio Baptista, Carling Cup, 2007.
It was Dirk Kyut who scored a hat-trick at Anfield on March 6th 2011
Julio Baptista, also for Arsenal in a League Cup tie in 2007.
Andrei Arshavin from Arsenal Liverpool 4 - 4 Arsenal April 21, 2009 ur mum