Edwin van der Sar - 7
Solid as a rock once more. Even managed a sliding tackle to rob Anelka.
John O'Shea - 7
The Irishman endured a few nervy moments but his pass to release Giggs for the goal was inspired.
Rio Ferdinand - 8
Even on one leg Sir Alex Ferguson kept the faith. Outstanding effort as Chelsea piled forward.
Nemanja Vidic - 8
Apart from one minor error, a perfect performance. No-one will talk about Torres being his nemesis anymore.
Patrice Evra - 7
Better than last week and needed to be. Not much chance to attack but defensively sound.
Park Ji-Sung - 7
Tireless performer who makes up in industry what he lacks in creativity and a goal to boot.
Michael Carrick - 7
Has sparked a difficult season into life with excellent displays to seal a semi-final spot.
Ryan Giggs - 8
Evergreen winger keeps coming up with moments of genius. With the pressure at its greatest, he found Hernandez.
Nani - 7
Grew into the game after a slow start and by the time he was replaced had Chelsea tied in knots.
Javier Hernandez - 8
If there was a bargain of the season prize, he would get it. His 18th goal of the season sent Old Trafford into ecstasy.
Wayne Rooney - 8
Back to his best. Behind many of United best attacking moments and still found time to defend. Audacious attempt to score from inside his own half at the end.
Antonio Valencia (for Nani, 74) - 6
Kept United going forward without doing anything rash.
Petr Cech - 6
Faultless for both goals and generally did what he had to do well.
Branislav Ivanovic - 5
One of his poorer performances at right-back.
Alex - 6
Looked strong early on but began to tire and was eventually substituted.
John Terry - 6
Another bitter Champions League disappointment for the Chelsea captain.
Ashley Cole - 5
Only sporadic bursts forward and was constantly bettered by Wayne Rooney down the right.
Ramires - 4
Jekyll and Hyde performance. Showed real drive at times but also gave the ball away, tackled poorly and proved to be the villain of the piece with a needless second yellow card.
Michael Essien - 5
Not the player he was 12 months ago.
Frank Lampard - 6
Wasted a glorious chance to level the tie and became more peripheral as the game went on.
Nicolas Anelka - 5
Failed to strike up an understanding with Torres playing from a deep position and brought off early in the second half.
Fernando Torres - 4
An early header apart, proved he should never have started and was rightly hauled off at half-time.
Florent Malouda - 7
A real threat early on and Chelsea's best player until Didier Drogba arrived.
Didier Drogba (for Torres, 45 mins) - 7
Proved he should have started with another barnstorming performance capped by a goal.
Salomon Kalou (for Anelka, 61) - 5
Decent movement but a lack of goal threat.
Paulo Ferreira (for Alex 82)
Not enough time to make a real impact.
Manchester United have killed off Chelsea's Champions League hopes for this season with a 2-1 win at Old Trafford in the second-leg of their quarter-final tie.
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Here, we rate how each player performed on the night.