Liverpool chief executive Rick Parry believes past meetings will have little impact on the latest Champions League meeting between the Reds and Chelsea.
The two sides were paired together for the fourth time in recent years at Friday mornings quarter-final draw in Nyon, Switzerland. Liverpool were victorious on the first two occasions, but Chelsea finally got the better of the Anfield side on the way to the final last year.
Parry told Sky Sports News: "We know what we've got to do over the two legs. We know what we're capable of doing so we will get on with it now."
The second leg will take place at Stamford Bridge, but Parry added: "I don't think that bothers us. I don't think it makes a significant difference."
Parry has confirmed the game will not take place on the 20th anniversary of the Hillsborough disaster, Wednesday April 15. Confirming the clash would take place the previous day, he told Setanta Sports: "I'm literally just getting news that we will be playing on the 14th. It is a huge relief and a good outcome."
Chelsea secretary David Barnard admitted the two sides knew each other very well from their previous meetings.
"We probably know the inside leg measurements of Rafa's (Liverpool boss Rafael Benitez) trousers. It`s something that`s completely extraordinary they should play so many times," he said.
Sir Alex Ferguson expressed his pleasure with United's draw with Porto.
The reigning European champions would face Arsenal or Villarreal in the semi-finals, should they overcome Porto, and have avoided Liverpool who face Chelsea, plus Barcelona and Bayern Munich.
"This is a good draw for us, we've met Porto before and obviously we respect any Portuguese team. We have had a huge Portuguese influence in the club firstly with Carlos Queiroz but now with Cristiano (Ronaldo) and Nani so we understand Portuguese football."
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